3168400

素因数分解:

$2^4\times 5^2\times {\mathrm{89}}^2$

素因数の和:196

約数の個数: 45

約数和(自身を含む): 7698571

約数和(自身を除く): 4530171

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 89, 100, 178, 200, 356, 400, 445, 712, 890, 1424, 1780, 2225, 3560, 4450, 7120, 7921, 8900, 15842, 17800, 31684, 35600, 39605, 63368, 79210, 126736, 158420, 198025, 316840, 396050, 633680, 792100, 1584200, 3168400]

約数ペア:

[(1, 3168400), (2, 1584200), (4, 792100), (5, 633680), (8, 396050), (10, 316840), (16, 198025), (20, 158420), (25, 126736), (40, 79210), (50, 63368), (80, 39605), (89, 35600), (100, 31684), (178, 17800), (200, 15842), (356, 8900), (400, 7921), (445, 7120), (712, 4450), (890, 3560), (1424, 2225)]