265431740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{31081}}^1$

素因数の和:31158

約数の個数: 48

約数和(自身を含む): 647500224

約数和(自身を除く): 382068484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 31081, 62162, 124324, 155405, 217567, 310810, 435134, 621620, 870268, 1087835, 1895941, 2175670, 3791882, 4351340, 7583764, 9479705, 13271587, 18959410, 26543174, 37918820, 53086348, 66357935, 132715870, 265431740]

約数ペア:

[(1, 265431740), (2, 132715870), (4, 66357935), (5, 53086348), (7, 37918820), (10, 26543174), (14, 18959410), (20, 13271587), (28, 9479705), (35, 7583764), (61, 4351340), (70, 3791882), (122, 2175670), (140, 1895941), (244, 1087835), (305, 870268), (427, 621620), (610, 435134), (854, 310810), (1220, 217567), (1708, 155405), (2135, 124324), (4270, 62162), (8540, 31081)]