138478620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{329711}}^1$

素因数の和:329730

約数の個数: 48

約数和(自身を含む): 443132928

約数和(自身を除く): 304654308

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, 329711, 659422, 989133, 1318844, 1648555, 1978266, 2307977, 3297110, 3956532, 4615954, 4945665, 6594220, 6923931, 9231908, 9891330, 11539885, 13847862, 19782660, 23079770, 27695724, 34619655, 46159540, 69239310, 138478620]

約数ペア:

[(1, 138478620), (2, 69239310), (3, 46159540), (4, 34619655), (5, 27695724), (6, 23079770), (7, 19782660), (10, 13847862), (12, 11539885), (14, 9891330), (15, 9231908), (20, 6923931), (21, 6594220), (28, 4945665), (30, 4615954), (35, 3956532), (42, 3297110), (60, 2307977), (70, 1978266), (84, 1648555), (105, 1318844), (140, 989133), (210, 659422), (420, 329711)]