172396390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{420479}}^1$

素因数の和:420527

約数の個数: 16

約数和(自身を含む): 317882880

約数和(自身を除く): 145486490

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 420479, 840958, 2102395, 4204790, 17239639, 34479278, 86198195, 172396390]

約数ペア:

[(1, 172396390), (2, 86198195), (5, 34479278), (10, 17239639), (41, 4204790), (82, 2102395), (205, 840958), (410, 420479)]