561800

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^2$

素因数の和:122

約数の個数: 36

約数和(自身を含む): 1331295

約数和(自身を除く): 769495

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1325, 2120, 2650, 2809, 5300, 5618, 10600, 11236, 14045, 22472, 28090, 56180, 70225, 112360, 140450, 280900, 561800]

約数ペア:

[(1, 561800), (2, 280900), (4, 140450), (5, 112360), (8, 70225), (10, 56180), (20, 28090), (25, 22472), (40, 14045), (50, 11236), (53, 10600), (100, 5618), (106, 5300), (200, 2809), (212, 2650), (265, 2120), (424, 1325), (530, 1060)]