9975500

素因数分解:

$2^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 22171968

約数和(自身を除く): 12196468

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 250, 281, 284, 355, 500, 562, 710, 1124, 1405, 1420, 1775, 2810, 3550, 5620, 7025, 7100, 8875, 14050, 17750, 19951, 28100, 35125, 35500, 39902, 70250, 79804, 99755, 140500, 199510, 399020, 498775, 997550, 1995100, 2493875, 4987750, 9975500]

約数ペア:

[(1, 9975500), (2, 4987750), (4, 2493875), (5, 1995100), (10, 997550), (20, 498775), (25, 399020), (50, 199510), (71, 140500), (100, 99755), (125, 79804), (142, 70250), (250, 39902), (281, 35500), (284, 35125), (355, 28100), (500, 19951), (562, 17750), (710, 14050), (1124, 8875), (1405, 7100), (1420, 7025), (1775, 5620), (2810, 3550)]