72427820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{213023}}^1$

素因数の和:213049

約数の個数: 24

約数和(自身を含む): 161046144

約数和(自身を除く): 88618324

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 213023, 426046, 852092, 1065115, 2130230, 3621391, 4260460, 7242782, 14485564, 18106955, 36213910, 72427820]

約数ペア:

[(1, 72427820), (2, 36213910), (4, 18106955), (5, 14485564), (10, 7242782), (17, 4260460), (20, 3621391), (34, 2130230), (68, 1065115), (85, 852092), (170, 426046), (340, 213023)]