281990800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:226

約数の個数: 240

約数和(自身を含む): 854167552

約数和(自身を除く): 572176752

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 61, 65, 70, 80, 91, 100, 104, 112, 122, 127, 130, 140, 175, 182, 200, 208, 244, 254, 260, 280, 305, 325, 350, 364, 400, 427, 455, 488, 508, 520, 560, 610, 635, 650, 700, 728, 793, 854, 889, 910, 976, 1016, 1040, 1220, 1270, 1300, 1400, 1456, 1525, 1586, 1651, 1708, 1778, 1820, 2032, 2135, 2275, 2440, 2540, 2600, 2800, 3050, 3172, 3175, 3302, 3416, 3556, 3640, 3965, 4270, 4445, 4550, 4880, 5080, 5200, 5551, 6100, 6344, 6350, 6604, 6832, 7112, 7280, 7747, 7930, 8255, 8540, 8890, 9100, 10160, 10675, 11102, 11557, 12200, 12688, 12700, 13208, 14224, 15494, 15860, 16510, 17080, 17780, 18200, 19825, 21350, 22204, 22225, 23114, 24400, 25400, 26416, 27755, 30988, 31720, 33020, 34160, 35560, 36400, 38735, 39650, 41275, 42700, 44408, 44450, 46228, 50800, 54229, 55510, 57785, 61976, 63440, 66040, 71120, 77470, 79300, 82550, 85400, 88816, 88900, 92456, 100711, 108458, 111020, 115570, 123952, 132080, 138775, 154940, 158600, 165100, 170800, 177800, 184912, 193675, 201422, 216916, 222040, 231140, 271145, 277550, 288925, 309880, 317200, 330200, 355600, 387350, 402844, 433832, 444080, 462280, 503555, 542290, 555100, 577850, 619760, 660400, 704977, 774700, 805688, 867664, 924560, 1007110, 1084580, 1110200, 1155700, 1355725, 1409954, 1549400, 1611376, 2014220, 2169160, 2220400, 2311400, 2517775, 2711450, 2819908, 3098800, 3524885, 4028440, 4338320, 4622800, 5035550, 5422900, 5639816, 7049770, 8056880, 10071100, 10845800, 11279632, 14099540, 17624425, 20142200, 21691600, 28199080, 35248850, 40284400, 56398160, 70497700, 140995400, 281990800]

約数ペア:

[(1, 281990800), (2, 140995400), (4, 70497700), (5, 56398160), (7, 40284400), (8, 35248850), (10, 28199080), (13, 21691600), (14, 20142200), (16, 17624425), (20, 14099540), (25, 11279632), (26, 10845800), (28, 10071100), (35, 8056880), (40, 7049770), (50, 5639816), (52, 5422900), (56, 5035550), (61, 4622800), (65, 4338320), (70, 4028440), (80, 3524885), (91, 3098800), (100, 2819908), (104, 2711450), (112, 2517775), (122, 2311400), (127, 2220400), (130, 2169160), (140, 2014220), (175, 1611376), (182, 1549400), (200, 1409954), (208, 1355725), (244, 1155700), (254, 1110200), (260, 1084580), (280, 1007110), (305, 924560), (325, 867664), (350, 805688), (364, 774700), (400, 704977), (427, 660400), (455, 619760), (488, 577850), (508, 555100), (520, 542290), (560, 503555), (610, 462280), (635, 444080), (650, 433832), (700, 402844), (728, 387350), (793, 355600), (854, 330200), (889, 317200), (910, 309880), (976, 288925), (1016, 277550), (1040, 271145), (1220, 231140), (1270, 222040), (1300, 216916), (1400, 201422), (1456, 193675), (1525, 184912), (1586, 177800), (1651, 170800), (1708, 165100), (1778, 158600), (1820, 154940), (2032, 138775), (2135, 132080), (2275, 123952), (2440, 115570), (2540, 111020), (2600, 108458), (2800, 100711), (3050, 92456), (3172, 88900), (3175, 88816), (3302, 85400), (3416, 82550), (3556, 79300), (3640, 77470), (3965, 71120), (4270, 66040), (4445, 63440), (4550, 61976), (4880, 57785), (5080, 55510), (5200, 54229), (5551, 50800), (6100, 46228), (6344, 44450), (6350, 44408), (6604, 42700), (6832, 41275), (7112, 39650), (7280, 38735), (7747, 36400), (7930, 35560), (8255, 34160), (8540, 33020), (8890, 31720), (9100, 30988), (10160, 27755), (10675, 26416), (11102, 25400), (11557, 24400), (12200, 23114), (12688, 22225), (12700, 22204), (13208, 21350), (14224, 19825), (15494, 18200), (15860, 17780), (16510, 17080)]