181457540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{11617}}^1$

素因数の和:11708

約数の個数: 48

約数和(自身を含む): 421593984

約数和(自身を除く): 240136444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 11617, 15620, 23234, 46468, 58085, 116170, 127787, 232340, 255574, 511148, 638935, 824807, 1277870, 1649614, 2555740, 3299228, 4124035, 8248070, 9072877, 16496140, 18145754, 36291508, 45364385, 90728770, 181457540]

約数ペア:

[(1, 181457540), (2, 90728770), (4, 45364385), (5, 36291508), (10, 18145754), (11, 16496140), (20, 9072877), (22, 8248070), (44, 4124035), (55, 3299228), (71, 2555740), (110, 1649614), (142, 1277870), (220, 824807), (284, 638935), (355, 511148), (710, 255574), (781, 232340), (1420, 127787), (1562, 116170), (3124, 58085), (3905, 46468), (7810, 23234), (11617, 15620)]