1399020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3331}}^1$

素因数の和:3350

約数の個数: 48

約数和(自身を含む): 4478208

約数和(自身を除く): 3079188

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, 3331, 6662, 9993, 13324, 16655, 19986, 23317, 33310, 39972, 46634, 49965, 66620, 69951, 93268, 99930, 116585, 139902, 199860, 233170, 279804, 349755, 466340, 699510, 1399020]

約数ペア:

[(1, 1399020), (2, 699510), (3, 466340), (4, 349755), (5, 279804), (6, 233170), (7, 199860), (10, 139902), (12, 116585), (14, 99930), (15, 93268), (20, 69951), (21, 66620), (28, 49965), (30, 46634), (35, 39972), (42, 33310), (60, 23317), (70, 19986), (84, 16655), (105, 13324), (140, 9993), (210, 6662), (420, 3331)]