279866930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{571157}}^1$

素因数の和:571178

約数の個数: 24

約数和(自身を含む): 586008108

約数和(自身を除く): 306141178

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 571157, 1142314, 2855785, 3998099, 5711570, 7996198, 19990495, 27986693, 39980990, 55973386, 139933465, 279866930]

約数ペア:

[(1, 279866930), (2, 139933465), (5, 55973386), (7, 39980990), (10, 27986693), (14, 19990495), (35, 7996198), (49, 5711570), (70, 3998099), (98, 2855785), (245, 1142314), (490, 571157)]