211406980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{340979}}^1$

素因数の和:341019

約数の個数: 24

約数和(自身を含む): 458277120

約数和(自身を除く): 246870140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 340979, 681958, 1363916, 1704895, 3409790, 6819580, 10570349, 21140698, 42281396, 52851745, 105703490, 211406980]

約数ペア:

[(1, 211406980), (2, 105703490), (4, 52851745), (5, 42281396), (10, 21140698), (20, 10570349), (31, 6819580), (62, 3409790), (124, 1704895), (155, 1363916), (310, 681958), (620, 340979)]