255204040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70111}}^1$

素因数の和:70142

約数の個数: 64

約数和(自身を含む): 706728960

約数和(自身を除く): 451524920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 70111, 140222, 280444, 350555, 490777, 560888, 701110, 911443, 981554, 1402220, 1822886, 1963108, 2453885, 2804440, 3645772, 3926216, 4557215, 4907770, 6380101, 7291544, 9114430, 9815540, 12760202, 18228860, 19631080, 25520404, 31900505, 36457720, 51040808, 63801010, 127602020, 255204040]

約数ペア:

[(1, 255204040), (2, 127602020), (4, 63801010), (5, 51040808), (7, 36457720), (8, 31900505), (10, 25520404), (13, 19631080), (14, 18228860), (20, 12760202), (26, 9815540), (28, 9114430), (35, 7291544), (40, 6380101), (52, 4907770), (56, 4557215), (65, 3926216), (70, 3645772), (91, 2804440), (104, 2453885), (130, 1963108), (140, 1822886), (182, 1402220), (260, 981554), (280, 911443), (364, 701110), (455, 560888), (520, 490777), (728, 350555), (910, 280444), (1820, 140222), (3640, 70111)]