3990200

素因数分解:

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

素因数の和:368

約数の個数: 48

約数和(自身を含む): 9441360

約数和(自身を除く): 5451160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 281, 284, 355, 562, 568, 710, 1124, 1405, 1420, 1775, 2248, 2810, 2840, 3550, 5620, 7025, 7100, 11240, 14050, 14200, 19951, 28100, 39902, 56200, 79804, 99755, 159608, 199510, 399020, 498775, 798040, 997550, 1995100, 3990200]

約数ペア:

[(1, 3990200), (2, 1995100), (4, 997550), (5, 798040), (8, 498775), (10, 399020), (20, 199510), (25, 159608), (40, 99755), (50, 79804), (71, 56200), (100, 39902), (142, 28100), (200, 19951), (281, 14200), (284, 14050), (355, 11240), (562, 7100), (568, 7025), (710, 5620), (1124, 3550), (1405, 2840), (1420, 2810), (1775, 2248)]