4280450140

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{508367}}^1$

素因数の和:508797

約数の個数: 24

約数和(自身を含む): 9010314432

約数和(自身を除く): 4729864292

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 508367, 1016734, 2033468, 2541835, 5083670, 10167340, 214022507, 428045014, 856090028, 1070112535, 2140225070, 4280450140]

約数ペア:

[(1, 4280450140), (2, 2140225070), (4, 1070112535), (5, 856090028), (10, 428045014), (20, 214022507), (421, 10167340), (842, 5083670), (1684, 2541835), (2105, 2033468), (4210, 1016734), (8420, 508367)]