47808100

素因数分解:

$2^2\times 5^2\times {\mathrm{389}}^1\times {\mathrm{1229}}^1$

素因数の和:1632

約数の個数: 36

約数和(自身を含む): 104094900

約数和(自身を除く): 56286800

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 389, 778, 1229, 1556, 1945, 2458, 3890, 4916, 6145, 7780, 9725, 12290, 19450, 24580, 30725, 38900, 61450, 122900, 478081, 956162, 1912324, 2390405, 4780810, 9561620, 11952025, 23904050, 47808100]

約数ペア:

[(1, 47808100), (2, 23904050), (4, 11952025), (5, 9561620), (10, 4780810), (20, 2390405), (25, 1912324), (50, 956162), (100, 478081), (389, 122900), (778, 61450), (1229, 38900), (1556, 30725), (1945, 24580), (2458, 19450), (3890, 12290), (4916, 9725), (6145, 7780)]