978013100

素因数分解:

$2^2\times 5^2\times {\mathrm{9780131}}^1$

素因数の和:9780145

約数の個数: 18

約数和(自身を含む): 2122288644

約数和(自身を除く): 1144275544

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 9780131, 19560262, 39120524, 48900655, 97801310, 195602620, 244503275, 489006550, 978013100]

約数ペア:

[(1, 978013100), (2, 489006550), (4, 244503275), (5, 195602620), (10, 97801310), (20, 48900655), (25, 39120524), (50, 19560262), (100, 9780131)]