200044420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{67129}}^1$

素因数の和:67287

約数の個数: 24

約数和(自身を含む): 422919000

約数和(自身を除く): 222874580

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 67129, 134258, 268516, 335645, 671290, 1342580, 10002221, 20004442, 40008884, 50011105, 100022210, 200044420]

約数ペア:

[(1, 200044420), (2, 100022210), (4, 50011105), (5, 40008884), (10, 20004442), (20, 10002221), (149, 1342580), (298, 671290), (596, 335645), (745, 268516), (1490, 134258), (2980, 67129)]