18888921800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{461}}^1$

素因数の和:641

約数の個数: 288

約数和(自身を含む): 53046682920

約数和(自身を除く): 34157761120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 37, 40, 49, 50, 56, 70, 74, 98, 100, 113, 140, 148, 175, 185, 196, 200, 226, 245, 259, 280, 296, 350, 370, 392, 452, 461, 490, 518, 565, 700, 740, 791, 904, 922, 925, 980, 1036, 1130, 1225, 1295, 1400, 1480, 1582, 1813, 1844, 1850, 1960, 2072, 2260, 2305, 2450, 2590, 2825, 3164, 3227, 3626, 3688, 3700, 3955, 4181, 4520, 4610, 4900, 5180, 5537, 5650, 6328, 6454, 6475, 7252, 7400, 7910, 8362, 9065, 9220, 9800, 10360, 11074, 11300, 11525, 12908, 12950, 14504, 15820, 16135, 16724, 17057, 18130, 18440, 19775, 20905, 22148, 22589, 22600, 23050, 25816, 25900, 27685, 29267, 31640, 32270, 33448, 34114, 36260, 39550, 41810, 44296, 45178, 45325, 46100, 51800, 52093, 55370, 58534, 64540, 68228, 72520, 79100, 80675, 83620, 85285, 90356, 90650, 92200, 104186, 104525, 110740, 112945, 117068, 119399, 129080, 136456, 138425, 146335, 158200, 161350, 167240, 170570, 180712, 181300, 204869, 208372, 209050, 221480, 225890, 234136, 238798, 260465, 276850, 292670, 322700, 341140, 362600, 364651, 409738, 416744, 418100, 426425, 451780, 477596, 520930, 553700, 564725, 585340, 596995, 645400, 682280, 729302, 731675, 819476, 835793, 836200, 852850, 903560, 955192, 1024345, 1041860, 1107400, 1129450, 1170680, 1193990, 1302325, 1458604, 1463350, 1638952, 1671586, 1705700, 1823255, 1927441, 2048690, 2083720, 2258900, 2387980, 2552557, 2604650, 2917208, 2926700, 2984975, 3343172, 3411400, 3646510, 3854882, 4097380, 4178965, 4517800, 4775960, 5105114, 5121725, 5209300, 5853400, 5969950, 6686344, 7293020, 7709764, 8194760, 8357930, 9116275, 9637205, 10210228, 10243450, 10418600, 11939900, 12762785, 13492087, 14586040, 15419528, 16715860, 18232550, 19274410, 20420456, 20486900, 20894825, 23879800, 25525570, 26984174, 33431720, 36465100, 38548820, 40973800, 41789650, 48186025, 51051140, 53968348, 63813925, 67460435, 72930200, 77097640, 83579300, 94444609, 96372050, 102102280, 107936696, 127627850, 134920870, 167158600, 188889218, 192744100, 255255700, 269841740, 337302175, 377778436, 385488200, 472223045, 510511400, 539683480, 674604350, 755556872, 944446090, 1349208700, 1888892180, 2361115225, 2698417400, 3777784360, 4722230450, 9444460900, 18888921800]

約数ペア:

[(1, 18888921800), (2, 9444460900), (4, 4722230450), (5, 3777784360), (7, 2698417400), (8, 2361115225), (10, 1888892180), (14, 1349208700), (20, 944446090), (25, 755556872), (28, 674604350), (35, 539683480), (37, 510511400), (40, 472223045), (49, 385488200), (50, 377778436), (56, 337302175), (70, 269841740), (74, 255255700), (98, 192744100), (100, 188889218), (113, 167158600), (140, 134920870), (148, 127627850), (175, 107936696), (185, 102102280), (196, 96372050), (200, 94444609), (226, 83579300), (245, 77097640), (259, 72930200), (280, 67460435), (296, 63813925), (350, 53968348), (370, 51051140), (392, 48186025), (452, 41789650), (461, 40973800), (490, 38548820), (518, 36465100), (565, 33431720), (700, 26984174), (740, 25525570), (791, 23879800), (904, 20894825), (922, 20486900), (925, 20420456), (980, 19274410), (1036, 18232550), (1130, 16715860), (1225, 15419528), (1295, 14586040), (1400, 13492087), (1480, 12762785), (1582, 11939900), (1813, 10418600), (1844, 10243450), (1850, 10210228), (1960, 9637205), (2072, 9116275), (2260, 8357930), (2305, 8194760), (2450, 7709764), (2590, 7293020), (2825, 6686344), (3164, 5969950), (3227, 5853400), (3626, 5209300), (3688, 5121725), (3700, 5105114), (3955, 4775960), (4181, 4517800), (4520, 4178965), (4610, 4097380), (4900, 3854882), (5180, 3646510), (5537, 3411400), (5650, 3343172), (6328, 2984975), (6454, 2926700), (6475, 2917208), (7252, 2604650), (7400, 2552557), (7910, 2387980), (8362, 2258900), (9065, 2083720), (9220, 2048690), (9800, 1927441), (10360, 1823255), (11074, 1705700), (11300, 1671586), (11525, 1638952), (12908, 1463350), (12950, 1458604), (14504, 1302325), (15820, 1193990), (16135, 1170680), (16724, 1129450), (17057, 1107400), (18130, 1041860), (18440, 1024345), (19775, 955192), (20905, 903560), (22148, 852850), (22589, 836200), (22600, 835793), (23050, 819476), (25816, 731675), (25900, 729302), (27685, 682280), (29267, 645400), (31640, 596995), (32270, 585340), (33448, 564725), (34114, 553700), (36260, 520930), (39550, 477596), (41810, 451780), (44296, 426425), (45178, 418100), (45325, 416744), (46100, 409738), (51800, 364651), (52093, 362600), (55370, 341140), (58534, 322700), (64540, 292670), (68228, 276850), (72520, 260465), (79100, 238798), (80675, 234136), (83620, 225890), (85285, 221480), (90356, 209050), (90650, 208372), (92200, 204869), (104186, 181300), (104525, 180712), (110740, 170570), (112945, 167240), (117068, 161350), (119399, 158200), (129080, 146335), (136456, 138425)]