331364360

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{76001}}^1$

素因数の和:76121

約数の個数: 32

約数和(自身を含む): 752419800

約数和(自身を除く): 421055440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 76001, 152002, 304004, 380005, 608008, 760010, 1520020, 3040040, 8284109, 16568218, 33136436, 41420545, 66272872, 82841090, 165682180, 331364360]

約数ペア:

[(1, 331364360), (2, 165682180), (4, 82841090), (5, 66272872), (8, 41420545), (10, 33136436), (20, 16568218), (40, 8284109), (109, 3040040), (218, 1520020), (436, 760010), (545, 608008), (872, 380005), (1090, 304004), (2180, 152002), (4360, 76001)]