201869080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{720961}}^1$

素因数の和:720979

約数の個数: 32

約数和(自身を含む): 519092640

約数和(自身を除く): 317223560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 720961, 1441922, 2883844, 3604805, 5046727, 5767688, 7209610, 10093454, 14419220, 20186908, 25233635, 28838440, 40373816, 50467270, 100934540, 201869080]

約数ペア:

[(1, 201869080), (2, 100934540), (4, 50467270), (5, 40373816), (7, 28838440), (8, 25233635), (10, 20186908), (14, 14419220), (20, 10093454), (28, 7209610), (35, 5767688), (40, 5046727), (56, 3604805), (70, 2883844), (140, 1441922), (280, 720961)]