2721200

素因数分解:

$2^4\times 5^2\times {\mathrm{6803}}^1$

素因数の和:6821

約数の個数: 30

約数和(自身を含む): 6538644

約数和(自身を除く): 3817444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 6803, 13606, 27212, 34015, 54424, 68030, 108848, 136060, 170075, 272120, 340150, 544240, 680300, 1360600, 2721200]

約数ペア:

[(1, 2721200), (2, 1360600), (4, 680300), (5, 544240), (8, 340150), (10, 272120), (16, 170075), (20, 136060), (25, 108848), (40, 68030), (50, 54424), (80, 34015), (100, 27212), (200, 13606), (400, 6803)]