220288790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{710609}}^1$

素因数の和:710647

約数の個数: 16

約数和(自身を含む): 409311360

約数和(自身を除く): 189022570

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 710609, 1421218, 3553045, 7106090, 22028879, 44057758, 110144395, 220288790]

約数ペア:

[(1, 220288790), (2, 110144395), (5, 44057758), (10, 22028879), (31, 7106090), (62, 3553045), (155, 1421218), (310, 710609)]