393279880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{1231}}^1$

素因数の和:1419

約数の個数: 96

約数和(自身を含む): 1036506240

約数和(自身を除く): 643226360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 163, 196, 245, 280, 326, 392, 490, 652, 815, 980, 1141, 1231, 1304, 1630, 1960, 2282, 2462, 3260, 4564, 4924, 5705, 6155, 6520, 7987, 8617, 9128, 9848, 11410, 12310, 15974, 17234, 22820, 24620, 31948, 34468, 39935, 43085, 45640, 49240, 60319, 63896, 68936, 79870, 86170, 120638, 159740, 172340, 200653, 241276, 301595, 319480, 344680, 401306, 482552, 603190, 802612, 1003265, 1206380, 1404571, 1605224, 2006530, 2412760, 2809142, 4013060, 5618284, 7022855, 8026120, 9831997, 11236568, 14045710, 19663994, 28091420, 39327988, 49159985, 56182840, 78655976, 98319970, 196639940, 393279880]

約数ペア:

[(1, 393279880), (2, 196639940), (4, 98319970), (5, 78655976), (7, 56182840), (8, 49159985), (10, 39327988), (14, 28091420), (20, 19663994), (28, 14045710), (35, 11236568), (40, 9831997), (49, 8026120), (56, 7022855), (70, 5618284), (98, 4013060), (140, 2809142), (163, 2412760), (196, 2006530), (245, 1605224), (280, 1404571), (326, 1206380), (392, 1003265), (490, 802612), (652, 603190), (815, 482552), (980, 401306), (1141, 344680), (1231, 319480), (1304, 301595), (1630, 241276), (1960, 200653), (2282, 172340), (2462, 159740), (3260, 120638), (4564, 86170), (4924, 79870), (5705, 68936), (6155, 63896), (6520, 60319), (7987, 49240), (8617, 45640), (9128, 43085), (9848, 39935), (11410, 34468), (12310, 31948), (15974, 24620), (17234, 22820)]