260637740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{16229}}^1$

素因数の和:16322

約数の個数: 48

約数和(自身を含む): 605314080

約数和(自身を除く): 344676340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 8030, 16060, 16229, 32458, 64916, 81145, 162290, 178519, 324580, 357038, 714076, 892595, 1184717, 1785190, 2369434, 3570380, 4738868, 5923585, 11847170, 13031887, 23694340, 26063774, 52127548, 65159435, 130318870, 260637740]

約数ペア:

[(1, 260637740), (2, 130318870), (4, 65159435), (5, 52127548), (10, 26063774), (11, 23694340), (20, 13031887), (22, 11847170), (44, 5923585), (55, 4738868), (73, 3570380), (110, 2369434), (146, 1785190), (220, 1184717), (292, 892595), (365, 714076), (730, 357038), (803, 324580), (1460, 178519), (1606, 162290), (3212, 81145), (4015, 64916), (8030, 32458), (16060, 16229)]