139965560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{71411}}^1$

素因数の和:71436

約数の個数: 48

約数和(自身を含む): 366343560

約数和(自身を除く): 226378000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 71411, 142822, 285644, 357055, 499877, 571288, 714110, 999754, 1428220, 1999508, 2499385, 2856440, 3499139, 3999016, 4998770, 6998278, 9997540, 13996556, 17495695, 19995080, 27993112, 34991390, 69982780, 139965560]

約数ペア:

[(1, 139965560), (2, 69982780), (4, 34991390), (5, 27993112), (7, 19995080), (8, 17495695), (10, 13996556), (14, 9997540), (20, 6998278), (28, 4998770), (35, 3999016), (40, 3499139), (49, 2856440), (56, 2499385), (70, 1999508), (98, 1428220), (140, 999754), (196, 714110), (245, 571288), (280, 499877), (392, 357055), (490, 285644), (980, 142822), (1960, 71411)]