201278420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{8609}}^1$

素因数の和:8792

約数の個数: 48

約数和(自身を含む): 486017280

約数和(自身を除く): 284738860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 1169, 1670, 2338, 3340, 4676, 5845, 8609, 11690, 17218, 23380, 34436, 43045, 60263, 86090, 120526, 172180, 241052, 301315, 602630, 1205260, 1437703, 2875406, 5750812, 7188515, 10063921, 14377030, 20127842, 28754060, 40255684, 50319605, 100639210, 201278420]

約数ペア:

[(1, 201278420), (2, 100639210), (4, 50319605), (5, 40255684), (7, 28754060), (10, 20127842), (14, 14377030), (20, 10063921), (28, 7188515), (35, 5750812), (70, 2875406), (140, 1437703), (167, 1205260), (334, 602630), (668, 301315), (835, 241052), (1169, 172180), (1670, 120526), (2338, 86090), (3340, 60263), (4676, 43045), (5845, 34436), (8609, 23380), (11690, 17218)]