215852380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{348149}}^1$

素因数の和:348189

約数の個数: 24

約数和(自身を含む): 467913600

約数和(自身を除く): 252061220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 348149, 696298, 1392596, 1740745, 3481490, 6962980, 10792619, 21585238, 43170476, 53963095, 107926190, 215852380]

約数ペア:

[(1, 215852380), (2, 107926190), (4, 53963095), (5, 43170476), (10, 21585238), (20, 10792619), (31, 6962980), (62, 3481490), (124, 1740745), (155, 1392596), (310, 696298), (620, 348149)]