205280110

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{418939}}^1$

素因数の和:418960

約数の個数: 24

約数和(自身を含む): 429832440

約数和(自身を除く): 224552330

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 418939, 837878, 2094695, 2932573, 4189390, 5865146, 14662865, 20528011, 29325730, 41056022, 102640055, 205280110]

約数ペア:

[(1, 205280110), (2, 102640055), (5, 41056022), (7, 29325730), (10, 20528011), (14, 14662865), (35, 5865146), (49, 4189390), (70, 2932573), (98, 2094695), (245, 837878), (490, 418939)]