12219100

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1806

約数の個数: 36

約数和(自身を含む): 26904528

約数和(自身を除く): 14685428

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1721, 1775, 3442, 3550, 6884, 7100, 8605, 17210, 34420, 43025, 86050, 122191, 172100, 244382, 488764, 610955, 1221910, 2443820, 3054775, 6109550, 12219100]

約数ペア:

[(1, 12219100), (2, 6109550), (4, 3054775), (5, 2443820), (10, 1221910), (20, 610955), (25, 488764), (50, 244382), (71, 172100), (100, 122191), (142, 86050), (284, 43025), (355, 34420), (710, 17210), (1420, 8605), (1721, 7100), (1775, 6884), (3442, 3550)]