199957960

素因数分解:

$2^3\times 5^1\times {\mathrm{929}}^1\times {\mathrm{5381}}^1$

素因数の和:6321

約数の個数: 32

約数和(自身を含む): 450473400

約数和(自身を除く): 250515440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 929, 1858, 3716, 4645, 5381, 7432, 9290, 10762, 18580, 21524, 26905, 37160, 43048, 53810, 107620, 215240, 4998949, 9997898, 19995796, 24994745, 39991592, 49989490, 99978980, 199957960]

約数ペア:

[(1, 199957960), (2, 99978980), (4, 49989490), (5, 39991592), (8, 24994745), (10, 19995796), (20, 9997898), (40, 4998949), (929, 215240), (1858, 107620), (3716, 53810), (4645, 43048), (5381, 37160), (7432, 26905), (9290, 21524), (10762, 18580)]