12231940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2188

約数の個数: 48

約数和(自身を含む): 30086784

約数和(自身を除く): 17854844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2131, 2870, 4262, 5740, 8524, 10655, 14917, 21310, 29834, 42620, 59668, 74585, 87371, 149170, 174742, 298340, 349484, 436855, 611597, 873710, 1223194, 1747420, 2446388, 3057985, 6115970, 12231940]

約数ペア:

[(1, 12231940), (2, 6115970), (4, 3057985), (5, 2446388), (7, 1747420), (10, 1223194), (14, 873710), (20, 611597), (28, 436855), (35, 349484), (41, 298340), (70, 174742), (82, 149170), (140, 87371), (164, 74585), (205, 59668), (287, 42620), (410, 29834), (574, 21310), (820, 14917), (1148, 10655), (1435, 8524), (2131, 5740), (2870, 4262)]