210051320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{308899}}^1$

素因数の和:308927

約数の個数: 32

約数和(自身を含む): 500418000

約数和(自身を除く): 290366680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 308899, 617798, 1235596, 1544495, 2471192, 3088990, 5251283, 6177980, 10502566, 12355960, 21005132, 26256415, 42010264, 52512830, 105025660, 210051320]

約数ペア:

[(1, 210051320), (2, 105025660), (4, 52512830), (5, 42010264), (8, 26256415), (10, 21005132), (17, 12355960), (20, 10502566), (34, 6177980), (40, 5251283), (68, 3088990), (85, 2471192), (136, 1544495), (170, 1235596), (340, 617798), (680, 308899)]