996979840

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1621}}^1$

素因数の和:1702

約数の個数: 96

約数和(自身を含む): 2464288380

約数和(自身を除く): 1467308540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 961, 992, 1240, 1621, 1922, 1984, 2480, 3242, 3844, 3968, 4805, 4960, 6484, 7688, 8105, 9610, 9920, 12968, 15376, 16210, 19220, 19840, 25936, 30752, 32420, 38440, 50251, 51872, 61504, 64840, 76880, 100502, 103744, 123008, 129680, 153760, 201004, 207488, 251255, 259360, 307520, 402008, 502510, 518720, 615040, 804016, 1005020, 1037440, 1557781, 1608032, 2010040, 3115562, 3216064, 4020080, 6231124, 6432128, 7788905, 8040160, 12462248, 15577810, 16080320, 24924496, 31155620, 32160640, 49848992, 62311240, 99697984, 124622480, 199395968, 249244960, 498489920, 996979840]

約数ペア:

[(1, 996979840), (2, 498489920), (4, 249244960), (5, 199395968), (8, 124622480), (10, 99697984), (16, 62311240), (20, 49848992), (31, 32160640), (32, 31155620), (40, 24924496), (62, 16080320), (64, 15577810), (80, 12462248), (124, 8040160), (128, 7788905), (155, 6432128), (160, 6231124), (248, 4020080), (310, 3216064), (320, 3115562), (496, 2010040), (620, 1608032), (640, 1557781), (961, 1037440), (992, 1005020), (1240, 804016), (1621, 615040), (1922, 518720), (1984, 502510), (2480, 402008), (3242, 307520), (3844, 259360), (3968, 251255), (4805, 207488), (4960, 201004), (6484, 153760), (7688, 129680), (8105, 123008), (9610, 103744), (9920, 100502), (12968, 76880), (15376, 64840), (16210, 61504), (19220, 51872), (19840, 50251), (25936, 38440), (30752, 32420)]