390790870

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1\times {\mathrm{1217}}^1$

素因数の和:1584

約数の個数: 32

約数和(自身を含む): 711916128

約数和(自身を除く): 321125258

約数列:

[1, 2, 5, 10, 163, 197, 326, 394, 815, 985, 1217, 1630, 1970, 2434, 6085, 12170, 32111, 64222, 160555, 198371, 239749, 321110, 396742, 479498, 991855, 1198745, 1983710, 2397490, 39079087, 78158174, 195395435, 390790870]

約数ペア:

[(1, 390790870), (2, 195395435), (5, 78158174), (10, 39079087), (163, 2397490), (197, 1983710), (326, 1198745), (394, 991855), (815, 479498), (985, 396742), (1217, 321110), (1630, 239749), (1970, 198371), (2434, 160555), (6085, 64222), (12170, 32111)]