128390500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{36683}}^1$

素因数の和:36709

約数の個数: 48

約数和(自身を含む): 320471424

約数和(自身を除く): 192080924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 36683, 73366, 146732, 183415, 256781, 366830, 513562, 733660, 917075, 1027124, 1283905, 1834150, 2567810, 3668300, 4585375, 5135620, 6419525, 9170750, 12839050, 18341500, 25678100, 32097625, 64195250, 128390500]

約数ペア:

[(1, 128390500), (2, 64195250), (4, 32097625), (5, 25678100), (7, 18341500), (10, 12839050), (14, 9170750), (20, 6419525), (25, 5135620), (28, 4585375), (35, 3668300), (50, 2567810), (70, 1834150), (100, 1283905), (125, 1027124), (140, 917075), (175, 733660), (250, 513562), (350, 366830), (500, 256781), (700, 183415), (875, 146732), (1750, 73366), (3500, 36683)]