12948740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 32242392

約数和(自身を除く): 19293652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 181, 196, 245, 292, 362, 365, 490, 511, 724, 730, 905, 980, 1022, 1267, 1460, 1810, 2044, 2534, 2555, 3577, 3620, 5068, 5110, 6335, 7154, 8869, 10220, 12670, 13213, 14308, 17738, 17885, 25340, 26426, 35476, 35770, 44345, 52852, 66065, 71540, 88690, 92491, 132130, 177380, 184982, 264260, 369964, 462455, 647437, 924910, 1294874, 1849820, 2589748, 3237185, 6474370, 12948740]

約数ペア:

[(1, 12948740), (2, 6474370), (4, 3237185), (5, 2589748), (7, 1849820), (10, 1294874), (14, 924910), (20, 647437), (28, 462455), (35, 369964), (49, 264260), (70, 184982), (73, 177380), (98, 132130), (140, 92491), (146, 88690), (181, 71540), (196, 66065), (245, 52852), (292, 44345), (362, 35770), (365, 35476), (490, 26426), (511, 25340), (724, 17885), (730, 17738), (905, 14308), (980, 13213), (1022, 12670), (1267, 10220), (1460, 8869), (1810, 7154), (2044, 6335), (2534, 5110), (2555, 5068), (3577, 3620)]