68470640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17467}}^1$

素因数の和:17494

約数の個数: 60

約数和(自身を含む): 185195736

約数和(自身を除く): 116725096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 17467, 34934, 69868, 87335, 122269, 139736, 174670, 244538, 279472, 349340, 489076, 611345, 698680, 855883, 978152, 1222690, 1397360, 1711766, 1956304, 2445380, 3423532, 4279415, 4890760, 6847064, 8558830, 9781520, 13694128, 17117660, 34235320, 68470640]

約数ペア:

[(1, 68470640), (2, 34235320), (4, 17117660), (5, 13694128), (7, 9781520), (8, 8558830), (10, 6847064), (14, 4890760), (16, 4279415), (20, 3423532), (28, 2445380), (35, 1956304), (40, 1711766), (49, 1397360), (56, 1222690), (70, 978152), (80, 855883), (98, 698680), (112, 611345), (140, 489076), (196, 349340), (245, 279472), (280, 244538), (392, 174670), (490, 139736), (560, 122269), (784, 87335), (980, 69868), (1960, 34934), (3920, 17467)]