28182100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{9091}}^1$

素因数の和:9136

約数の個数: 36

約数和(自身を含む): 63134848

約数和(自身を除く): 34952748

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 9091, 18182, 36364, 45455, 90910, 181820, 227275, 281821, 454550, 563642, 909100, 1127284, 1409105, 2818210, 5636420, 7045525, 14091050, 28182100]

約数ペア:

[(1, 28182100), (2, 14091050), (4, 7045525), (5, 5636420), (10, 2818210), (20, 1409105), (25, 1127284), (31, 909100), (50, 563642), (62, 454550), (100, 281821), (124, 227275), (155, 181820), (310, 90910), (620, 45455), (775, 36364), (1550, 18182), (3100, 9091)]