204700900

素因数分解:

$2^2\times 5^2\times {\mathrm{521}}^1\times {\mathrm{3929}}^1$

素因数の和:4464

約数の個数: 36

約数和(自身を含む): 445166820

約数和(自身を除く): 240465920

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 521, 1042, 2084, 2605, 3929, 5210, 7858, 10420, 13025, 15716, 19645, 26050, 39290, 52100, 78580, 98225, 196450, 392900, 2047009, 4094018, 8188036, 10235045, 20470090, 40940180, 51175225, 102350450, 204700900]

約数ペア:

[(1, 204700900), (2, 102350450), (4, 51175225), (5, 40940180), (10, 20470090), (20, 10235045), (25, 8188036), (50, 4094018), (100, 2047009), (521, 392900), (1042, 196450), (2084, 98225), (2605, 78580), (3929, 52100), (5210, 39290), (7858, 26050), (10420, 19645), (13025, 15716)]