78572620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{829}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 189080640

約数和(自身を除く): 110508020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 677, 829, 1354, 1658, 2708, 3316, 3385, 4145, 4739, 5803, 6770, 8290, 9478, 11606, 13540, 16580, 18956, 23212, 23695, 29015, 47390, 58030, 94780, 116060, 561233, 1122466, 2244932, 2806165, 3928631, 5612330, 7857262, 11224660, 15714524, 19643155, 39286310, 78572620]

約数ペア:

[(1, 78572620), (2, 39286310), (4, 19643155), (5, 15714524), (7, 11224660), (10, 7857262), (14, 5612330), (20, 3928631), (28, 2806165), (35, 2244932), (70, 1122466), (140, 561233), (677, 116060), (829, 94780), (1354, 58030), (1658, 47390), (2708, 29015), (3316, 23695), (3385, 23212), (4145, 18956), (4739, 16580), (5803, 13540), (6770, 11606), (8290, 9478)]