2222758220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{10739}}^1$

素因数の和:10958

約数の個数: 48

約数和(自身を含む): 4763404800

約数和(自身を除く): 2540646580

約数列:

[1, 2, 4, 5, 10, 20, 79, 131, 158, 262, 316, 395, 524, 655, 790, 1310, 1580, 2620, 10349, 10739, 20698, 21478, 41396, 42956, 51745, 53695, 103490, 107390, 206980, 214780, 848381, 1406809, 1696762, 2813618, 3393524, 4241905, 5627236, 7034045, 8483810, 14068090, 16967620, 28136180, 111137911, 222275822, 444551644, 555689555, 1111379110, 2222758220]

約数ペア:

[(1, 2222758220), (2, 1111379110), (4, 555689555), (5, 444551644), (10, 222275822), (20, 111137911), (79, 28136180), (131, 16967620), (158, 14068090), (262, 8483810), (316, 7034045), (395, 5627236), (524, 4241905), (655, 3393524), (790, 2813618), (1310, 1696762), (1580, 1406809), (2620, 848381), (10349, 214780), (10739, 206980), (20698, 107390), (21478, 103490), (41396, 53695), (42956, 51745)]