2100029080

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{490661}}^1$

素因数の和:490779

約数の個数: 32

約数和(自身を含む): 4769234640

約数和(自身を除く): 2669205560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 490661, 981322, 1962644, 2453305, 3925288, 4906610, 9813220, 19626440, 52500727, 105001454, 210002908, 262503635, 420005816, 525007270, 1050014540, 2100029080]

約数ペア:

[(1, 2100029080), (2, 1050014540), (4, 525007270), (5, 420005816), (8, 262503635), (10, 210002908), (20, 105001454), (40, 52500727), (107, 19626440), (214, 9813220), (428, 4906610), (535, 3925288), (856, 2453305), (1070, 1962644), (2140, 981322), (4280, 490661)]