77762860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^2\times {\mathrm{89}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 191147040

約数和(自身を除く): 113384180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 89, 140, 158, 178, 316, 356, 395, 445, 553, 623, 790, 890, 1106, 1246, 1580, 1780, 2212, 2492, 2765, 3115, 5530, 6230, 6241, 7031, 11060, 12460, 12482, 14062, 24964, 28124, 31205, 35155, 43687, 49217, 62410, 70310, 87374, 98434, 124820, 140620, 174748, 196868, 218435, 246085, 436870, 492170, 555449, 873740, 984340, 1110898, 2221796, 2777245, 3888143, 5554490, 7776286, 11108980, 15552572, 19440715, 38881430, 77762860]

約数ペア:

[(1, 77762860), (2, 38881430), (4, 19440715), (5, 15552572), (7, 11108980), (10, 7776286), (14, 5554490), (20, 3888143), (28, 2777245), (35, 2221796), (70, 1110898), (79, 984340), (89, 873740), (140, 555449), (158, 492170), (178, 436870), (316, 246085), (356, 218435), (395, 196868), (445, 174748), (553, 140620), (623, 124820), (790, 98434), (890, 87374), (1106, 70310), (1246, 62410), (1580, 49217), (1780, 43687), (2212, 35155), (2492, 31205), (2765, 28124), (3115, 24964), (5530, 14062), (6230, 12482), (6241, 12460), (7031, 11060)]