2505910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 5266800

約数和(自身を除く): 2760890

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 109, 110, 121, 190, 209, 218, 242, 418, 545, 605, 1045, 1090, 1199, 1210, 2071, 2090, 2299, 2398, 4142, 4598, 5995, 10355, 11495, 11990, 13189, 20710, 22781, 22990, 26378, 45562, 65945, 113905, 131890, 227810, 250591, 501182, 1252955, 2505910]

約数ペア:

[(1, 2505910), (2, 1252955), (5, 501182), (10, 250591), (11, 227810), (19, 131890), (22, 113905), (38, 65945), (55, 45562), (95, 26378), (109, 22990), (110, 22781), (121, 20710), (190, 13189), (209, 11990), (218, 11495), (242, 10355), (418, 5995), (545, 4598), (605, 4142), (1045, 2398), (1090, 2299), (1199, 2090), (1210, 2071)]