20170850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{8233}}^1$

素因数の和:8259

約数の個数: 36

約数和(自身を含む): 43648434

約数和(自身を除く): 23477584

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450, 8233, 16466, 41165, 57631, 82330, 115262, 205825, 288155, 403417, 411650, 576310, 806834, 1440775, 2017085, 2881550, 4034170, 10085425, 20170850]

約数ペア:

[(1, 20170850), (2, 10085425), (5, 4034170), (7, 2881550), (10, 2017085), (14, 1440775), (25, 806834), (35, 576310), (49, 411650), (50, 403417), (70, 288155), (98, 205825), (175, 115262), (245, 82330), (350, 57631), (490, 41165), (1225, 16466), (2450, 8233)]