168462140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109391}}^1$

素因数の和:109418

約数の個数: 48

約数和(自身を含む): 441068544

約数和(自身を除く): 272606404

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 109391, 218782, 437564, 546955, 765737, 1093910, 1203301, 1531474, 2187820, 2406602, 3062948, 3828685, 4813204, 6016505, 7657370, 8423107, 12033010, 15314740, 16846214, 24066020, 33692428, 42115535, 84231070, 168462140]

約数ペア:

[(1, 168462140), (2, 84231070), (4, 42115535), (5, 33692428), (7, 24066020), (10, 16846214), (11, 15314740), (14, 12033010), (20, 8423107), (22, 7657370), (28, 6016505), (35, 4813204), (44, 3828685), (55, 3062948), (70, 2406602), (77, 2187820), (110, 1531474), (140, 1203301), (154, 1093910), (220, 765737), (308, 546955), (385, 437564), (770, 218782), (1540, 109391)]