2851870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 5930496

約数和(自身を除く): 3078626

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 262, 311, 622, 655, 917, 1310, 1555, 1834, 2177, 3110, 4354, 4585, 9170, 10885, 21770, 40741, 81482, 203705, 285187, 407410, 570374, 1425935, 2851870]

約数ペア:

[(1, 2851870), (2, 1425935), (5, 570374), (7, 407410), (10, 285187), (14, 203705), (35, 81482), (70, 40741), (131, 21770), (262, 10885), (311, 9170), (622, 4585), (655, 4354), (917, 3110), (1310, 2177), (1555, 1834)]