68542180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{69941}}^1$

素因数の和:69964

約数の個数: 36

約数和(自身を含む): 167441148

約数和(自身を除く): 98898968

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 69941, 139882, 279764, 349705, 489587, 699410, 979174, 1398820, 1958348, 2447935, 3427109, 4895870, 6854218, 9791740, 13708436, 17135545, 34271090, 68542180]

約数ペア:

[(1, 68542180), (2, 34271090), (4, 17135545), (5, 13708436), (7, 9791740), (10, 6854218), (14, 4895870), (20, 3427109), (28, 2447935), (35, 1958348), (49, 1398820), (70, 979174), (98, 699410), (140, 489587), (196, 349705), (245, 279764), (490, 139882), (980, 69941)]