139020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{331}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 446208

約数和(自身を除く): 307188

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, 331, 420, 662, 993, 1324, 1655, 1986, 2317, 3310, 3972, 4634, 4965, 6620, 6951, 9268, 9930, 11585, 13902, 19860, 23170, 27804, 34755, 46340, 69510, 139020]

約数ペア:

[(1, 139020), (2, 69510), (3, 46340), (4, 34755), (5, 27804), (6, 23170), (7, 19860), (10, 13902), (12, 11585), (14, 9930), (15, 9268), (20, 6951), (21, 6620), (28, 4965), (30, 4634), (35, 3972), (42, 3310), (60, 2317), (70, 1986), (84, 1655), (105, 1324), (140, 993), (210, 662), (331, 420)]