978305690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{28547}}^1$

素因数の和:28726

約数の個数: 32

約数和(自身を含む): 1849910400

約数和(自身を除く): 871604710

約数列:

[1, 2, 5, 10, 23, 46, 115, 149, 230, 298, 745, 1490, 3427, 6854, 17135, 28547, 34270, 57094, 142735, 285470, 656581, 1313162, 3282905, 4253503, 6565810, 8507006, 21267515, 42535030, 97830569, 195661138, 489152845, 978305690]

約数ペア:

[(1, 978305690), (2, 489152845), (5, 195661138), (10, 97830569), (23, 42535030), (46, 21267515), (115, 8507006), (149, 6565810), (230, 4253503), (298, 3282905), (745, 1313162), (1490, 656581), (3427, 285470), (6854, 142735), (17135, 57094), (28547, 34270)]