411340

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 875952

約数和(自身を除く): 464612

約数列:

[1, 2, 4, 5, 10, 20, 131, 157, 262, 314, 524, 628, 655, 785, 1310, 1570, 2620, 3140, 20567, 41134, 82268, 102835, 205670, 411340]

約数ペア:

[(1, 411340), (2, 205670), (4, 102835), (5, 82268), (10, 41134), (20, 20567), (131, 3140), (157, 2620), (262, 1570), (314, 1310), (524, 785), (628, 655)]