197027140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{997}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 426034224

約数和(自身を除く): 229007084

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 241, 410, 482, 820, 964, 997, 1205, 1994, 2410, 3988, 4820, 4985, 9881, 9970, 19762, 19940, 39524, 40877, 49405, 81754, 98810, 163508, 197620, 204385, 240277, 408770, 480554, 817540, 961108, 1201385, 2402770, 4805540, 9851357, 19702714, 39405428, 49256785, 98513570, 197027140]

約数ペア:

[(1, 197027140), (2, 98513570), (4, 49256785), (5, 39405428), (10, 19702714), (20, 9851357), (41, 4805540), (82, 2402770), (164, 1201385), (205, 961108), (241, 817540), (410, 480554), (482, 408770), (820, 240277), (964, 204385), (997, 197620), (1205, 163508), (1994, 98810), (2410, 81754), (3988, 49405), (4820, 40877), (4985, 39524), (9881, 19940), (9970, 19762)]