220131188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 417056640

約数和(自身を除く): 196925452

約数列:

[1, 2, 4, 19, 38, 61, 76, 103, 122, 206, 244, 412, 461, 922, 1159, 1844, 1957, 2318, 3914, 4636, 6283, 7828, 8759, 12566, 17518, 25132, 28121, 35036, 47483, 56242, 94966, 112484, 119377, 189932, 238754, 477508, 534299, 902177, 1068598, 1804354, 2137196, 2896463, 3608708, 5792926, 11585852, 55032797, 110065594, 220131188]

約数ペア:

[(1, 220131188), (2, 110065594), (4, 55032797), (19, 11585852), (38, 5792926), (61, 3608708), (76, 2896463), (103, 2137196), (122, 1804354), (206, 1068598), (244, 902177), (412, 534299), (461, 477508), (922, 238754), (1159, 189932), (1844, 119377), (1957, 112484), (2318, 94966), (3914, 56242), (4636, 47483), (6283, 35036), (7828, 28121), (8759, 25132), (12566, 17518)]