81607300

素因数分解:

$2^2\times 5^2\times {\mathrm{149}}^1\times {\mathrm{5477}}^1$

素因数の和:5640

約数の個数: 36

約数和(自身を含む): 178308900

約数和(自身を除く): 96701600

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 149, 298, 596, 745, 1490, 2980, 3725, 5477, 7450, 10954, 14900, 21908, 27385, 54770, 109540, 136925, 273850, 547700, 816073, 1632146, 3264292, 4080365, 8160730, 16321460, 20401825, 40803650, 81607300]

約数ペア:

[(1, 81607300), (2, 40803650), (4, 20401825), (5, 16321460), (10, 8160730), (20, 4080365), (25, 3264292), (50, 1632146), (100, 816073), (149, 547700), (298, 273850), (596, 136925), (745, 109540), (1490, 54770), (2980, 27385), (3725, 21908), (5477, 14900), (7450, 10954)]