156984730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{320377}}^1$

素因数の和:320398

約数の個数: 24

約数和(自身を含む): 328707828

約数和(自身を除く): 171723098

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 320377, 640754, 1601885, 2242639, 3203770, 4485278, 11213195, 15698473, 22426390, 31396946, 78492365, 156984730]

約数ペア:

[(1, 156984730), (2, 78492365), (5, 31396946), (7, 22426390), (10, 15698473), (14, 11213195), (35, 4485278), (49, 3203770), (70, 2242639), (98, 1601885), (245, 640754), (490, 320377)]