870899180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{821603}}^1$

素因数の和:821665

約数の個数: 24

約数和(自身を含む): 1863397872

約数和(自身を除く): 992498692

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 821603, 1643206, 3286412, 4108015, 8216030, 16432060, 43544959, 87089918, 174179836, 217724795, 435449590, 870899180]

約数ペア:

[(1, 870899180), (2, 435449590), (4, 217724795), (5, 174179836), (10, 87089918), (20, 43544959), (53, 16432060), (106, 8216030), (212, 4108015), (265, 3286412), (530, 1643206), (1060, 821603)]