91991600

素因数分解:

$2^4\times 5^2\times {\mathrm{229979}}^1$

素因数の和:229997

約数の個数: 30

約数和(自身を含む): 221010780

約数和(自身を除く): 129019180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 229979, 459958, 919916, 1149895, 1839832, 2299790, 3679664, 4599580, 5749475, 9199160, 11498950, 18398320, 22997900, 45995800, 91991600]

約数ペア:

[(1, 91991600), (2, 45995800), (4, 22997900), (5, 18398320), (8, 11498950), (10, 9199160), (16, 5749475), (20, 4599580), (25, 3679664), (40, 2299790), (50, 1839832), (80, 1149895), (100, 919916), (200, 459958), (400, 229979)]