123974540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{2237}}^1$

素因数の和:2426

約数の個数: 48

約数和(自身を含む): 277476192

約数和(自身を除く): 153501652

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 163, 170, 326, 340, 652, 815, 1630, 2237, 2771, 3260, 4474, 5542, 8948, 11084, 11185, 13855, 22370, 27710, 38029, 44740, 55420, 76058, 152116, 190145, 364631, 380290, 729262, 760580, 1458524, 1823155, 3646310, 6198727, 7292620, 12397454, 24794908, 30993635, 61987270, 123974540]

約数ペア:

[(1, 123974540), (2, 61987270), (4, 30993635), (5, 24794908), (10, 12397454), (17, 7292620), (20, 6198727), (34, 3646310), (68, 1823155), (85, 1458524), (163, 760580), (170, 729262), (326, 380290), (340, 364631), (652, 190145), (815, 152116), (1630, 76058), (2237, 55420), (2771, 44740), (3260, 38029), (4474, 27710), (5542, 22370), (8948, 13855), (11084, 11185)]