28145670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1327}}^1$

素因数の和:1445

約数の個数: 64

約数和(自身を含む): 78022656

約数和(自身を除く): 49876986

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 101, 105, 202, 210, 303, 505, 606, 707, 1010, 1327, 1414, 1515, 2121, 2654, 3030, 3535, 3981, 4242, 6635, 7070, 7962, 9289, 10605, 13270, 18578, 19905, 21210, 27867, 39810, 46445, 55734, 92890, 134027, 139335, 268054, 278670, 402081, 670135, 804162, 938189, 1340270, 1876378, 2010405, 2814567, 4020810, 4690945, 5629134, 9381890, 14072835, 28145670]

約数ペア:

[(1, 28145670), (2, 14072835), (3, 9381890), (5, 5629134), (6, 4690945), (7, 4020810), (10, 2814567), (14, 2010405), (15, 1876378), (21, 1340270), (30, 938189), (35, 804162), (42, 670135), (70, 402081), (101, 278670), (105, 268054), (202, 139335), (210, 134027), (303, 92890), (505, 55734), (606, 46445), (707, 39810), (1010, 27867), (1327, 21210), (1414, 19905), (1515, 18578), (2121, 13270), (2654, 10605), (3030, 9289), (3535, 7962), (3981, 7070), (4242, 6635)]