69563480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{248441}}^1$

素因数の和:248459

約数の個数: 32

約数和(自身を含む): 178878240

約数和(自身を除く): 109314760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 248441, 496882, 993764, 1242205, 1739087, 1987528, 2484410, 3478174, 4968820, 6956348, 8695435, 9937640, 13912696, 17390870, 34781740, 69563480]

約数ペア:

[(1, 69563480), (2, 34781740), (4, 17390870), (5, 13912696), (7, 9937640), (8, 8695435), (10, 6956348), (14, 4968820), (20, 3478174), (28, 2484410), (35, 1987528), (40, 1739087), (56, 1242205), (70, 993764), (140, 496882), (280, 248441)]