220178900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{129517}}^1$

素因数の和:129548

約数の個数: 36

約数和(自身を含む): 505897308

約数和(自身を除く): 285718408

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 129517, 259034, 518068, 647585, 1295170, 2201789, 2590340, 3237925, 4403578, 6475850, 8807156, 11008945, 12951700, 22017890, 44035780, 55044725, 110089450, 220178900]

約数ペア:

[(1, 220178900), (2, 110089450), (4, 55044725), (5, 44035780), (10, 22017890), (17, 12951700), (20, 11008945), (25, 8807156), (34, 6475850), (50, 4403578), (68, 3237925), (85, 2590340), (100, 2201789), (170, 1295170), (340, 647585), (425, 518068), (850, 259034), (1700, 129517)]