212859580

素因数分解:

$2^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{19457}}^1$

素因数の和:20013

約数の個数: 24

約数和(自身を含む): 447845328

約数和(自身を除く): 234985748

約数列:

[1, 2, 4, 5, 10, 20, 547, 1094, 2188, 2735, 5470, 10940, 19457, 38914, 77828, 97285, 194570, 389140, 10642979, 21285958, 42571916, 53214895, 106429790, 212859580]

約数ペア:

[(1, 212859580), (2, 106429790), (4, 53214895), (5, 42571916), (10, 21285958), (20, 10642979), (547, 389140), (1094, 194570), (2188, 97285), (2735, 77828), (5470, 38914), (10940, 19457)]