220891160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{788897}}^1$

素因数の和:788915

約数の個数: 32

約数和(自身を含む): 568006560

約数和(自身を除く): 347115400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 788897, 1577794, 3155588, 3944485, 5522279, 6311176, 7888970, 11044558, 15777940, 22089116, 27611395, 31555880, 44178232, 55222790, 110445580, 220891160]

約数ペア:

[(1, 220891160), (2, 110445580), (4, 55222790), (5, 44178232), (7, 31555880), (8, 27611395), (10, 22089116), (14, 15777940), (20, 11044558), (28, 7888970), (35, 6311176), (40, 5522279), (56, 3944485), (70, 3155588), (140, 1577794), (280, 788897)]