191213140

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{37201}}^1$

素因数の和:37467

約数の個数: 24

約数和(自身を含む): 403120872

約数和(自身を除く): 211907732

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 37201, 74402, 148804, 186005, 372010, 744020, 9560657, 19121314, 38242628, 47803285, 95606570, 191213140]

約数ペア:

[(1, 191213140), (2, 95606570), (4, 47803285), (5, 38242628), (10, 19121314), (20, 9560657), (257, 744020), (514, 372010), (1028, 186005), (1285, 148804), (2570, 74402), (5140, 37201)]