139373220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{331841}}^1$

素因数の和:331860

約数の個数: 48

約数和(自身を含む): 445995648

約数和(自身を除く): 306622428

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, 331841, 663682, 995523, 1327364, 1659205, 1991046, 2322887, 3318410, 3982092, 4645774, 4977615, 6636820, 6968661, 9291548, 9955230, 11614435, 13937322, 19910460, 23228870, 27874644, 34843305, 46457740, 69686610, 139373220]

約数ペア:

[(1, 139373220), (2, 69686610), (3, 46457740), (4, 34843305), (5, 27874644), (6, 23228870), (7, 19910460), (10, 13937322), (12, 11614435), (14, 9955230), (15, 9291548), (20, 6968661), (21, 6636820), (28, 4977615), (30, 4645774), (35, 3982092), (42, 3318410), (60, 2322887), (70, 1991046), (84, 1659205), (105, 1327364), (140, 995523), (210, 663682), (420, 331841)]