78662780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{1531}}^1$

素因数の和:1914

約数の個数: 48

約数和(自身を含む): 189428736

約数和(自身を除く): 110765956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 367, 734, 1468, 1531, 1835, 2569, 3062, 3670, 5138, 6124, 7340, 7655, 10276, 10717, 12845, 15310, 21434, 25690, 30620, 42868, 51380, 53585, 107170, 214340, 561877, 1123754, 2247508, 2809385, 3933139, 5618770, 7866278, 11237540, 15732556, 19665695, 39331390, 78662780]

約数ペア:

[(1, 78662780), (2, 39331390), (4, 19665695), (5, 15732556), (7, 11237540), (10, 7866278), (14, 5618770), (20, 3933139), (28, 2809385), (35, 2247508), (70, 1123754), (140, 561877), (367, 214340), (734, 107170), (1468, 53585), (1531, 51380), (1835, 42868), (2569, 30620), (3062, 25690), (3670, 21434), (5138, 15310), (6124, 12845), (7340, 10717), (7655, 10276)]