38474780

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{12911}}^1$

素因数の和:13069

約数の個数: 24

約数和(自身を含む): 81345600

約数和(自身を除く): 42870820

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 12911, 25822, 51644, 64555, 129110, 258220, 1923739, 3847478, 7694956, 9618695, 19237390, 38474780]

約数ペア:

[(1, 38474780), (2, 19237390), (4, 9618695), (5, 7694956), (10, 3847478), (20, 1923739), (149, 258220), (298, 129110), (596, 64555), (745, 51644), (1490, 25822), (2980, 12911)]