788620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 1951488

約数和(自身を除く): 1162868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 131, 140, 172, 215, 262, 301, 430, 524, 602, 655, 860, 917, 1204, 1310, 1505, 1834, 2620, 3010, 3668, 4585, 5633, 6020, 9170, 11266, 18340, 22532, 28165, 39431, 56330, 78862, 112660, 157724, 197155, 394310, 788620]

約数ペア:

[(1, 788620), (2, 394310), (4, 197155), (5, 157724), (7, 112660), (10, 78862), (14, 56330), (20, 39431), (28, 28165), (35, 22532), (43, 18340), (70, 11266), (86, 9170), (131, 6020), (140, 5633), (172, 4585), (215, 3668), (262, 3010), (301, 2620), (430, 1834), (524, 1505), (602, 1310), (655, 1204), (860, 917)]