3909920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{3491}}^1$

素因数の和:3513

約数の個数: 48

約数和(自身を含む): 10559808

約数和(自身を除く): 6649888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 3491, 6982, 13964, 17455, 24437, 27928, 34910, 48874, 55856, 69820, 97748, 111712, 122185, 139640, 195496, 244370, 279280, 390992, 488740, 558560, 781984, 977480, 1954960, 3909920]

約数ペア:

[(1, 3909920), (2, 1954960), (4, 977480), (5, 781984), (7, 558560), (8, 488740), (10, 390992), (14, 279280), (16, 244370), (20, 195496), (28, 139640), (32, 122185), (35, 111712), (40, 97748), (56, 69820), (70, 55856), (80, 48874), (112, 34910), (140, 27928), (160, 24437), (224, 17455), (280, 13964), (560, 6982), (1120, 3491)]