139367480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{497741}}^1$

素因数の和:497759

約数の個数: 32

約数和(自身を含む): 358374240

約数和(自身を除く): 219006760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 497741, 995482, 1990964, 2488705, 3484187, 3981928, 4977410, 6968374, 9954820, 13936748, 17420935, 19909640, 27873496, 34841870, 69683740, 139367480]

約数ペア:

[(1, 139367480), (2, 69683740), (4, 34841870), (5, 27873496), (7, 19909640), (8, 17420935), (10, 13936748), (14, 9954820), (20, 6968374), (28, 4977410), (35, 3981928), (40, 3484187), (56, 2488705), (70, 1990964), (140, 995482), (280, 497741)]