7381480

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1693}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 16770600

約数和(自身を除く): 9389120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1693, 2180, 3386, 4360, 6772, 8465, 13544, 16930, 33860, 67720, 184537, 369074, 738148, 922685, 1476296, 1845370, 3690740, 7381480]

約数ペア:

[(1, 7381480), (2, 3690740), (4, 1845370), (5, 1476296), (8, 922685), (10, 738148), (20, 369074), (40, 184537), (109, 67720), (218, 33860), (436, 16930), (545, 13544), (872, 8465), (1090, 6772), (1693, 4360), (2180, 3386)]