28705670

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{8369}}^1$

素因数の和:8397

約数の個数: 32

約数和(自身を含む): 60264000

約数和(自身を除く): 31558330

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 8369, 16738, 41845, 58583, 83690, 117166, 292915, 410081, 585830, 820162, 2050405, 2870567, 4100810, 5741134, 14352835, 28705670]

約数ペア:

[(1, 28705670), (2, 14352835), (5, 5741134), (7, 4100810), (10, 2870567), (14, 2050405), (35, 820162), (49, 585830), (70, 410081), (98, 292915), (245, 117166), (343, 83690), (490, 58583), (686, 41845), (1715, 16738), (3430, 8369)]