334893320

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{21089}}^1$

素因数の和:21497

約数の個数: 32

約数和(自身を含む): 755443800

約数和(自身を除く): 420550480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 15880, 21089, 42178, 84356, 105445, 168712, 210890, 421780, 843560, 8372333, 16744666, 33489332, 41861665, 66978664, 83723330, 167446660, 334893320]

約数ペア:

[(1, 334893320), (2, 167446660), (4, 83723330), (5, 66978664), (8, 41861665), (10, 33489332), (20, 16744666), (40, 8372333), (397, 843560), (794, 421780), (1588, 210890), (1985, 168712), (3176, 105445), (3970, 84356), (7940, 42178), (15880, 21089)]