169428020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{273271}}^1$

素因数の和:273311

約数の個数: 24

約数和(自身を含む): 367277568

約数和(自身を除く): 197849548

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 273271, 546542, 1093084, 1366355, 2732710, 5465420, 8471401, 16942802, 33885604, 42357005, 84714010, 169428020]

約数ペア:

[(1, 169428020), (2, 84714010), (4, 42357005), (5, 33885604), (10, 16942802), (20, 8471401), (31, 5465420), (62, 2732710), (124, 1366355), (155, 1093084), (310, 546542), (620, 273271)]