128366984620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{130986719}}^1$

素因数の和:130986742

約数の個数: 36

約数和(自身を含む): 313582207680

約数和(自身を除く): 185215223060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 130986719, 261973438, 523946876, 654933595, 916907033, 1309867190, 1833814066, 2619734380, 3667628132, 4584535165, 6418349231, 9169070330, 12836698462, 18338140660, 25673396924, 32091746155, 64183492310, 128366984620]

約数ペア:

[(1, 128366984620), (2, 64183492310), (4, 32091746155), (5, 25673396924), (7, 18338140660), (10, 12836698462), (14, 9169070330), (20, 6418349231), (28, 4584535165), (35, 3667628132), (49, 2619734380), (70, 1833814066), (98, 1309867190), (140, 916907033), (196, 654933595), (245, 523946876), (490, 261973438), (980, 130986719)]