129810010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{1511}}^1$

素因数の和:1611

約数の個数: 48

約数和(自身を含む): 260620416

約数和(自身を除く): 130810406

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 121, 142, 242, 355, 605, 710, 781, 1210, 1511, 1562, 3022, 3905, 7555, 7810, 8591, 15110, 16621, 17182, 33242, 42955, 83105, 85910, 107281, 166210, 182831, 214562, 365662, 536405, 914155, 1072810, 1180091, 1828310, 2360182, 5900455, 11800910, 12981001, 25962002, 64905005, 129810010]

約数ペア:

[(1, 129810010), (2, 64905005), (5, 25962002), (10, 12981001), (11, 11800910), (22, 5900455), (55, 2360182), (71, 1828310), (110, 1180091), (121, 1072810), (142, 914155), (242, 536405), (355, 365662), (605, 214562), (710, 182831), (781, 166210), (1210, 107281), (1511, 85910), (1562, 83105), (3022, 42955), (3905, 33242), (7555, 17182), (7810, 16621), (8591, 15110)]