681036290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{213491}}^1$

素因数の和:213538

約数の個数: 32

約数和(自身を含む): 1383428160

約数和(自身を除く): 702391870

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 213491, 426982, 1067455, 2134910, 2348401, 4696802, 6191239, 11742005, 12382478, 23484010, 30956195, 61912390, 68103629, 136207258, 340518145, 681036290]

約数ペア:

[(1, 681036290), (2, 340518145), (5, 136207258), (10, 68103629), (11, 61912390), (22, 30956195), (29, 23484010), (55, 12382478), (58, 11742005), (110, 6191239), (145, 4696802), (290, 2348401), (319, 2134910), (638, 1067455), (1595, 426982), (3190, 213491)]