661050440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{972133}}^1$

素因数の和:972161

約数の個数: 32

約数和(自身を含む): 1574857080

約数和(自身を除く): 913806640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 972133, 1944266, 3888532, 4860665, 7777064, 9721330, 16526261, 19442660, 33052522, 38885320, 66105044, 82631305, 132210088, 165262610, 330525220, 661050440]

約数ペア:

[(1, 661050440), (2, 330525220), (4, 165262610), (5, 132210088), (8, 82631305), (10, 66105044), (17, 38885320), (20, 33052522), (34, 19442660), (40, 16526261), (68, 9721330), (85, 7777064), (136, 4860665), (170, 3888532), (340, 1944266), (680, 972133)]