1672220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{691}}^1$

素因数の和:722

約数の個数: 36

約数和(自身を含む): 3865512

約数和(自身を除く): 2193292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 691, 1210, 1382, 2420, 2764, 3455, 6910, 7601, 13820, 15202, 30404, 38005, 76010, 83611, 152020, 167222, 334444, 418055, 836110, 1672220]

約数ペア:

[(1, 1672220), (2, 836110), (4, 418055), (5, 334444), (10, 167222), (11, 152020), (20, 83611), (22, 76010), (44, 38005), (55, 30404), (110, 15202), (121, 13820), (220, 7601), (242, 6910), (484, 3455), (605, 2764), (691, 2420), (1210, 1382)]