331320020

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{74287}}^1$

素因数の和:74519

約数の個数: 24

約数和(自身を含む): 698901504

約数和(自身を除く): 367581484

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 74287, 148574, 297148, 371435, 742870, 1485740, 16566001, 33132002, 66264004, 82830005, 165660010, 331320020]

約数ペア:

[(1, 331320020), (2, 165660010), (4, 82830005), (5, 66264004), (10, 33132002), (20, 16566001), (223, 1485740), (446, 742870), (892, 371435), (1115, 297148), (2230, 148574), (4460, 74287)]