206810420

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{29629}}^1$

素因数の和:29987

約数の個数: 24

約数和(自身を含む): 435561000

約数和(自身を除く): 228750580

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 29629, 59258, 118516, 148145, 296290, 592580, 10340521, 20681042, 41362084, 51702605, 103405210, 206810420]

約数ペア:

[(1, 206810420), (2, 103405210), (4, 51702605), (5, 41362084), (10, 20681042), (20, 10340521), (349, 592580), (698, 296290), (1396, 148145), (1745, 118516), (3490, 59258), (6980, 29629)]