78667540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{80273}}^1$

素因数の和:80296

約数の個数: 36

約数和(自身を含む): 192175956

約数和(自身を除く): 113508416

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 80273, 160546, 321092, 401365, 561911, 802730, 1123822, 1605460, 2247644, 2809555, 3933377, 5619110, 7866754, 11238220, 15733508, 19666885, 39333770, 78667540]

約数ペア:

[(1, 78667540), (2, 39333770), (4, 19666885), (5, 15733508), (7, 11238220), (10, 7866754), (14, 5619110), (20, 3933377), (28, 2809555), (35, 2247644), (49, 1605460), (70, 1123822), (98, 802730), (140, 561911), (196, 401365), (245, 321092), (490, 160546), (980, 80273)]