68385020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1907}}^1$

素因数の和:2090

約数の個数: 48

約数和(自身を含む): 157707648

約数和(自身を除く): 89322628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 220, 326, 652, 815, 1630, 1793, 1907, 3260, 3586, 3814, 7172, 7628, 8965, 9535, 17930, 19070, 20977, 35860, 38140, 41954, 83908, 104885, 209770, 310841, 419540, 621682, 1243364, 1554205, 3108410, 3419251, 6216820, 6838502, 13677004, 17096255, 34192510, 68385020]

約数ペア:

[(1, 68385020), (2, 34192510), (4, 17096255), (5, 13677004), (10, 6838502), (11, 6216820), (20, 3419251), (22, 3108410), (44, 1554205), (55, 1243364), (110, 621682), (163, 419540), (220, 310841), (326, 209770), (652, 104885), (815, 83908), (1630, 41954), (1793, 38140), (1907, 35860), (3260, 20977), (3586, 19070), (3814, 17930), (7172, 9535), (7628, 8965)]