68995100

素因数分解:

$2^2\times 5^2\times {\mathrm{689951}}^1$

素因数の和:689965

約数の個数: 18

約数和(自身を含む): 149719584

約数和(自身を除く): 80724484

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 689951, 1379902, 2759804, 3449755, 6899510, 13799020, 17248775, 34497550, 68995100]

約数ペア:

[(1, 68995100), (2, 34497550), (4, 17248775), (5, 13799020), (10, 6899510), (20, 3449755), (25, 2759804), (50, 1379902), (100, 689951)]