201109020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{478831}}^1$

素因数の和:478850

約数の個数: 48

約数和(自身を含む): 643550208

約数和(自身を除く): 442441188

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, 478831, 957662, 1436493, 1915324, 2394155, 2872986, 3351817, 4788310, 5745972, 6703634, 7182465, 9576620, 10055451, 13407268, 14364930, 16759085, 20110902, 28729860, 33518170, 40221804, 50277255, 67036340, 100554510, 201109020]

約数ペア:

[(1, 201109020), (2, 100554510), (3, 67036340), (4, 50277255), (5, 40221804), (6, 33518170), (7, 28729860), (10, 20110902), (12, 16759085), (14, 14364930), (15, 13407268), (20, 10055451), (21, 9576620), (28, 7182465), (30, 6703634), (35, 5745972), (42, 4788310), (60, 3351817), (70, 2872986), (84, 2394155), (105, 1915324), (140, 1436493), (210, 957662), (420, 478831)]