42108700

素因数分解:

$2^2\times 5^2\times {\mathrm{431}}^1\times {\mathrm{977}}^1$

素因数の和:1422

約数の個数: 36

約数和(自身を含む): 91681632

約数和(自身を除く): 49572932

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 431, 862, 977, 1724, 1954, 2155, 3908, 4310, 4885, 8620, 9770, 10775, 19540, 21550, 24425, 43100, 48850, 97700, 421087, 842174, 1684348, 2105435, 4210870, 8421740, 10527175, 21054350, 42108700]

約数ペア:

[(1, 42108700), (2, 21054350), (4, 10527175), (5, 8421740), (10, 4210870), (20, 2105435), (25, 1684348), (50, 842174), (100, 421087), (431, 97700), (862, 48850), (977, 43100), (1724, 24425), (1954, 21550), (2155, 19540), (3908, 10775), (4310, 9770), (4885, 8620)]