201866920

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{36307}}^1$

素因数の和:36457

約数の個数: 32

約数和(自身を含む): 457480800

約数和(自身を除く): 255613880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 36307, 72614, 145228, 181535, 290456, 363070, 726140, 1452280, 5046673, 10093346, 20186692, 25233365, 40373384, 50466730, 100933460, 201866920]

約数ペア:

[(1, 201866920), (2, 100933460), (4, 50466730), (5, 40373384), (8, 25233365), (10, 20186692), (20, 10093346), (40, 5046673), (139, 1452280), (278, 726140), (556, 363070), (695, 290456), (1112, 181535), (1390, 145228), (2780, 72614), (5560, 36307)]