272655880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{4943}}^1$

素因数の和:5158

約数の個数: 64

約数和(自身を含む): 704816640

約数和(自身を除く): 432160760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1576, 1970, 2758, 3940, 4943, 5516, 6895, 7880, 9886, 11032, 13790, 19772, 24715, 27580, 34601, 39544, 49430, 55160, 69202, 98860, 138404, 173005, 197720, 276808, 346010, 692020, 973771, 1384040, 1947542, 3895084, 4868855, 6816397, 7790168, 9737710, 13632794, 19475420, 27265588, 34081985, 38950840, 54531176, 68163970, 136327940, 272655880]

約数ペア:

[(1, 272655880), (2, 136327940), (4, 68163970), (5, 54531176), (7, 38950840), (8, 34081985), (10, 27265588), (14, 19475420), (20, 13632794), (28, 9737710), (35, 7790168), (40, 6816397), (56, 4868855), (70, 3895084), (140, 1947542), (197, 1384040), (280, 973771), (394, 692020), (788, 346010), (985, 276808), (1379, 197720), (1576, 173005), (1970, 138404), (2758, 98860), (3940, 69202), (4943, 55160), (5516, 49430), (6895, 39544), (7880, 34601), (9886, 27580), (11032, 24715), (13790, 19772)]