171945560

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{6967}}^1$

素因数の和:7595

約数の個数: 32

約数和(自身を含む): 387560160

約数和(自身を除く): 215614600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 1234, 2468, 3085, 4936, 6170, 6967, 12340, 13934, 24680, 27868, 34835, 55736, 69670, 139340, 278680, 4298639, 8597278, 17194556, 21493195, 34389112, 42986390, 85972780, 171945560]

約数ペア:

[(1, 171945560), (2, 85972780), (4, 42986390), (5, 34389112), (8, 21493195), (10, 17194556), (20, 8597278), (40, 4298639), (617, 278680), (1234, 139340), (2468, 69670), (3085, 55736), (4936, 34835), (6170, 27868), (6967, 24680), (12340, 13934)]