2019856720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3606887}}^1$

素因数の和:3606907

約数の個数: 40

約数和(自身を含む): 5367049344

約数和(自身を除く): 3347192624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3606887, 7213774, 14427548, 18034435, 25248209, 28855096, 36068870, 50496418, 57710192, 72137740, 100992836, 126241045, 144275480, 201985672, 252482090, 288550960, 403971344, 504964180, 1009928360, 2019856720]

約数ペア:

[(1, 2019856720), (2, 1009928360), (4, 504964180), (5, 403971344), (7, 288550960), (8, 252482090), (10, 201985672), (14, 144275480), (16, 126241045), (20, 100992836), (28, 72137740), (35, 57710192), (40, 50496418), (56, 36068870), (70, 28855096), (80, 25248209), (112, 18034435), (140, 14427548), (280, 7213774), (560, 3606887)]