289584020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{42461}}^1$

素因数の和:42512

約数の個数: 48

約数和(自身を含む): 684827136

約数和(自身を除く): 395243116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 42461, 84922, 169844, 212305, 424610, 467071, 849220, 934142, 1316291, 1868284, 2335355, 2632582, 4670710, 5265164, 6581455, 9341420, 13162910, 14479201, 26325820, 28958402, 57916804, 72396005, 144792010, 289584020]

約数ペア:

[(1, 289584020), (2, 144792010), (4, 72396005), (5, 57916804), (10, 28958402), (11, 26325820), (20, 14479201), (22, 13162910), (31, 9341420), (44, 6581455), (55, 5265164), (62, 4670710), (110, 2632582), (124, 2335355), (155, 1868284), (220, 1316291), (310, 934142), (341, 849220), (620, 467071), (682, 424610), (1364, 212305), (1705, 169844), (3410, 84922), (6820, 42461)]