166921860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{397433}}^1$

素因数の和:397452

約数の個数: 48

約数和(自身を含む): 534151296

約数和(自身を除く): 367229436

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 397433, 794866, 1192299, 1589732, 1987165, 2384598, 2782031, 3974330, 4769196, 5564062, 5961495, 7948660, 8346093, 11128124, 11922990, 13910155, 16692186, 23845980, 27820310, 33384372, 41730465, 55640620, 83460930, 166921860]

約数ペア:

[(1, 166921860), (2, 83460930), (3, 55640620), (4, 41730465), (5, 33384372), (6, 27820310), (7, 23845980), (10, 16692186), (12, 13910155), (14, 11922990), (15, 11128124), (20, 8346093), (21, 7948660), (28, 5961495), (30, 5564062), (35, 4769196), (42, 3974330), (60, 2782031), (70, 2384598), (84, 1987165), (105, 1589732), (140, 1192299), (210, 794866), (420, 397433)]