30659900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3881}}^1$

素因数の和:3974

約数の個数: 36

約数和(自身を含む): 67391520

約数和(自身を除く): 36731620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3881, 3950, 7762, 7900, 15524, 19405, 38810, 77620, 97025, 194050, 306599, 388100, 613198, 1226396, 1532995, 3065990, 6131980, 7664975, 15329950, 30659900]

約数ペア:

[(1, 30659900), (2, 15329950), (4, 7664975), (5, 6131980), (10, 3065990), (20, 1532995), (25, 1226396), (50, 613198), (79, 388100), (100, 306599), (158, 194050), (316, 97025), (395, 77620), (790, 38810), (1580, 19405), (1975, 15524), (3881, 7900), (3950, 7762)]