1220900100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{827}}^1$

素因数の和:907

約数の個数: 288

約数和(自身を含む): 4369720320

約数和(自身を除く): 3148820220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 37, 38, 42, 50, 57, 60, 70, 74, 75, 76, 84, 95, 100, 105, 111, 114, 133, 140, 148, 150, 175, 185, 190, 210, 222, 228, 259, 266, 285, 300, 350, 370, 380, 399, 420, 444, 475, 518, 525, 532, 555, 570, 665, 700, 703, 740, 777, 798, 827, 925, 950, 1036, 1050, 1110, 1140, 1295, 1330, 1406, 1425, 1554, 1596, 1654, 1850, 1900, 1995, 2100, 2109, 2220, 2481, 2590, 2660, 2775, 2812, 2850, 3108, 3308, 3325, 3515, 3700, 3885, 3990, 4135, 4218, 4921, 4962, 5180, 5550, 5700, 5789, 6475, 6650, 7030, 7770, 7980, 8270, 8436, 9842, 9924, 9975, 10545, 11100, 11578, 12405, 12950, 13300, 14060, 14763, 15540, 15713, 16540, 17367, 17575, 19425, 19684, 19950, 20675, 21090, 23156, 24605, 24810, 25900, 28945, 29526, 30599, 31426, 34734, 35150, 38850, 39900, 41350, 42180, 47139, 49210, 49620, 52725, 57890, 59052, 61198, 62025, 62852, 69468, 70300, 73815, 77700, 78565, 82700, 86835, 91797, 94278, 98420, 105450, 109991, 115780, 122396, 123025, 124050, 144725, 147630, 152995, 157130, 173670, 183594, 188556, 210900, 214193, 219982, 235695, 246050, 248100, 289450, 295260, 305990, 314260, 329973, 347340, 367188, 369075, 392825, 428386, 434175, 439964, 458985, 471390, 492100, 549955, 578900, 581381, 611980, 642579, 659946, 738150, 764975, 785650, 856772, 868350, 917970, 942780, 1070965, 1099910, 1162762, 1178475, 1285158, 1319892, 1476300, 1529950, 1571300, 1649865, 1736700, 1744143, 1835940, 2141930, 2199820, 2294925, 2325524, 2356950, 2570316, 2749775, 2906905, 3059900, 3212895, 3299730, 3488286, 4069667, 4283860, 4589850, 4713900, 5354825, 5499550, 5813810, 6425790, 6599460, 6976572, 8139334, 8249325, 8720715, 9179700, 10709650, 10999100, 11627620, 12209001, 12851580, 14534525, 16064475, 16278668, 16498650, 17441430, 20348335, 21419300, 24418002, 29069050, 32128950, 32997300, 34882860, 40696670, 43603575, 48836004, 58138100, 61045005, 64257900, 81393340, 87207150, 101741675, 122090010, 174414300, 203483350, 244180020, 305225025, 406966700, 610450050, 1220900100]

約数ペア:

[(1, 1220900100), (2, 610450050), (3, 406966700), (4, 305225025), (5, 244180020), (6, 203483350), (7, 174414300), (10, 122090010), (12, 101741675), (14, 87207150), (15, 81393340), (19, 64257900), (20, 61045005), (21, 58138100), (25, 48836004), (28, 43603575), (30, 40696670), (35, 34882860), (37, 32997300), (38, 32128950), (42, 29069050), (50, 24418002), (57, 21419300), (60, 20348335), (70, 17441430), (74, 16498650), (75, 16278668), (76, 16064475), (84, 14534525), (95, 12851580), (100, 12209001), (105, 11627620), (111, 10999100), (114, 10709650), (133, 9179700), (140, 8720715), (148, 8249325), (150, 8139334), (175, 6976572), (185, 6599460), (190, 6425790), (210, 5813810), (222, 5499550), (228, 5354825), (259, 4713900), (266, 4589850), (285, 4283860), (300, 4069667), (350, 3488286), (370, 3299730), (380, 3212895), (399, 3059900), (420, 2906905), (444, 2749775), (475, 2570316), (518, 2356950), (525, 2325524), (532, 2294925), (555, 2199820), (570, 2141930), (665, 1835940), (700, 1744143), (703, 1736700), (740, 1649865), (777, 1571300), (798, 1529950), (827, 1476300), (925, 1319892), (950, 1285158), (1036, 1178475), (1050, 1162762), (1110, 1099910), (1140, 1070965), (1295, 942780), (1330, 917970), (1406, 868350), (1425, 856772), (1554, 785650), (1596, 764975), (1654, 738150), (1850, 659946), (1900, 642579), (1995, 611980), (2100, 581381), (2109, 578900), (2220, 549955), (2481, 492100), (2590, 471390), (2660, 458985), (2775, 439964), (2812, 434175), (2850, 428386), (3108, 392825), (3308, 369075), (3325, 367188), (3515, 347340), (3700, 329973), (3885, 314260), (3990, 305990), (4135, 295260), (4218, 289450), (4921, 248100), (4962, 246050), (5180, 235695), (5550, 219982), (5700, 214193), (5789, 210900), (6475, 188556), (6650, 183594), (7030, 173670), (7770, 157130), (7980, 152995), (8270, 147630), (8436, 144725), (9842, 124050), (9924, 123025), (9975, 122396), (10545, 115780), (11100, 109991), (11578, 105450), (12405, 98420), (12950, 94278), (13300, 91797), (14060, 86835), (14763, 82700), (15540, 78565), (15713, 77700), (16540, 73815), (17367, 70300), (17575, 69468), (19425, 62852), (19684, 62025), (19950, 61198), (20675, 59052), (21090, 57890), (23156, 52725), (24605, 49620), (24810, 49210), (25900, 47139), (28945, 42180), (29526, 41350), (30599, 39900), (31426, 38850), (34734, 35150)]