171632740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{276827}}^1$

素因数の和:276867

約数の個数: 24

約数和(自身を含む): 372056832

約数和(自身を除く): 200424092

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 276827, 553654, 1107308, 1384135, 2768270, 5536540, 8581637, 17163274, 34326548, 42908185, 85816370, 171632740]

約数ペア:

[(1, 171632740), (2, 85816370), (4, 42908185), (5, 34326548), (10, 17163274), (20, 8581637), (31, 5536540), (62, 2768270), (124, 1384135), (155, 1107308), (310, 553654), (620, 276827)]