1900575460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1\times {\mathrm{509}}^1$

素因数の和:853

約数の個数: 96

約数和(自身を含む): 4626720000

約数和(自身を除く): 2726144540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 179, 298, 358, 509, 596, 716, 745, 895, 1018, 1043, 1253, 1490, 1790, 2036, 2086, 2506, 2545, 2980, 3563, 3580, 4172, 5012, 5090, 5215, 6265, 7126, 10180, 10430, 12530, 14252, 17815, 20860, 25060, 26671, 35630, 53342, 71260, 75841, 91111, 106684, 133355, 151682, 182222, 186697, 266710, 303364, 364444, 373394, 379205, 455555, 530887, 533420, 637777, 746788, 758410, 911110, 933485, 1061774, 1275554, 1516820, 1822220, 1866970, 2123548, 2551108, 2654435, 3188885, 3733940, 5308870, 6377770, 10617740, 12755540, 13575539, 27151078, 54302156, 67877695, 95028773, 135755390, 190057546, 271510780, 380115092, 475143865, 950287730, 1900575460]

約数ペア:

[(1, 1900575460), (2, 950287730), (4, 475143865), (5, 380115092), (7, 271510780), (10, 190057546), (14, 135755390), (20, 95028773), (28, 67877695), (35, 54302156), (70, 27151078), (140, 13575539), (149, 12755540), (179, 10617740), (298, 6377770), (358, 5308870), (509, 3733940), (596, 3188885), (716, 2654435), (745, 2551108), (895, 2123548), (1018, 1866970), (1043, 1822220), (1253, 1516820), (1490, 1275554), (1790, 1061774), (2036, 933485), (2086, 911110), (2506, 758410), (2545, 746788), (2980, 637777), (3563, 533420), (3580, 530887), (4172, 455555), (5012, 379205), (5090, 373394), (5215, 364444), (6265, 303364), (7126, 266710), (10180, 186697), (10430, 182222), (12530, 151682), (14252, 133355), (17815, 106684), (20860, 91111), (25060, 75841), (26671, 71260), (35630, 53342)]