2828020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 6526800

約数和(自身を除く): 3698780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 149, 260, 292, 298, 365, 596, 730, 745, 949, 1460, 1490, 1898, 1937, 2980, 3796, 3874, 4745, 7748, 9490, 9685, 10877, 18980, 19370, 21754, 38740, 43508, 54385, 108770, 141401, 217540, 282802, 565604, 707005, 1414010, 2828020]

約数ペア:

[(1, 2828020), (2, 1414010), (4, 707005), (5, 565604), (10, 282802), (13, 217540), (20, 141401), (26, 108770), (52, 54385), (65, 43508), (73, 38740), (130, 21754), (146, 19370), (149, 18980), (260, 10877), (292, 9685), (298, 9490), (365, 7748), (596, 4745), (730, 3874), (745, 3796), (949, 2980), (1460, 1937), (1490, 1898)]