138781860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{330433}}^1$

素因数の和:330452

約数の個数: 48

約数和(自身を含む): 444103296

約数和(自身を除く): 305321436

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, 330433, 660866, 991299, 1321732, 1652165, 1982598, 2313031, 3304330, 3965196, 4626062, 4956495, 6608660, 6939093, 9252124, 9912990, 11565155, 13878186, 19825980, 23130310, 27756372, 34695465, 46260620, 69390930, 138781860]

約数ペア:

[(1, 138781860), (2, 69390930), (3, 46260620), (4, 34695465), (5, 27756372), (6, 23130310), (7, 19825980), (10, 13878186), (12, 11565155), (14, 9912990), (15, 9252124), (20, 6939093), (21, 6608660), (28, 4956495), (30, 4626062), (35, 3965196), (42, 3304330), (60, 2313031), (70, 1982598), (84, 1652165), (105, 1321732), (140, 991299), (210, 660866), (420, 330433)]