40307890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{82261}}^1$

素因数の和:82282

約数の個数: 24

約数和(自身を含む): 84400812

約数和(自身を除く): 44092922

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 82261, 164522, 411305, 575827, 822610, 1151654, 2879135, 4030789, 5758270, 8061578, 20153945, 40307890]

約数ペア:

[(1, 40307890), (2, 20153945), (5, 8061578), (7, 5758270), (10, 4030789), (14, 2879135), (35, 1151654), (49, 822610), (70, 575827), (98, 411305), (245, 164522), (490, 82261)]