201867680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{180239}}^1$

素因数の和:180261

約数の個数: 48

約数和(自身を含む): 545045760

約数和(自身を除く): 343178080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 180239, 360478, 720956, 901195, 1261673, 1441912, 1802390, 2523346, 2883824, 3604780, 5046692, 5767648, 6308365, 7209560, 10093384, 12616730, 14419120, 20186768, 25233460, 28838240, 40373536, 50466920, 100933840, 201867680]

約数ペア:

[(1, 201867680), (2, 100933840), (4, 50466920), (5, 40373536), (7, 28838240), (8, 25233460), (10, 20186768), (14, 14419120), (16, 12616730), (20, 10093384), (28, 7209560), (32, 6308365), (35, 5767648), (40, 5046692), (56, 3604780), (70, 2883824), (80, 2523346), (112, 1802390), (140, 1441912), (160, 1261673), (224, 901195), (280, 720956), (560, 360478), (1120, 180239)]