222740080

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{20323}}^1$

素因数の和:20473

約数の個数: 40

約数和(自身を含む): 521676432

約数和(自身を除く): 298936352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 10960, 20323, 40646, 81292, 101615, 162584, 203230, 325168, 406460, 812920, 1625840, 2784251, 5568502, 11137004, 13921255, 22274008, 27842510, 44548016, 55685020, 111370040, 222740080]

約数ペア:

[(1, 222740080), (2, 111370040), (4, 55685020), (5, 44548016), (8, 27842510), (10, 22274008), (16, 13921255), (20, 11137004), (40, 5568502), (80, 2784251), (137, 1625840), (274, 812920), (548, 406460), (685, 325168), (1096, 203230), (1370, 162584), (2192, 101615), (2740, 81292), (5480, 40646), (10960, 20323)]