980275900

素因数分解:

$2^2\times 5^2\times {\mathrm{9802759}}^1$

素因数の和:9802773

約数の個数: 18

約数和(自身を含む): 2127198920

約数和(自身を除く): 1146923020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 9802759, 19605518, 39211036, 49013795, 98027590, 196055180, 245068975, 490137950, 980275900]

約数ペア:

[(1, 980275900), (2, 490137950), (4, 245068975), (5, 196055180), (10, 98027590), (20, 49013795), (25, 39211036), (50, 19605518), (100, 9802759)]