978371740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1040821}}^1$

素因数の和:1040877

約数の個数: 24

約数和(自身を含む): 2098297152

約数和(自身を除く): 1119925412

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 1040821, 2081642, 4163284, 5204105, 10408210, 20816420, 48918587, 97837174, 195674348, 244592935, 489185870, 978371740]

約数ペア:

[(1, 978371740), (2, 489185870), (4, 244592935), (5, 195674348), (10, 97837174), (20, 48918587), (47, 20816420), (94, 10408210), (188, 5204105), (235, 4163284), (470, 2081642), (940, 1040821)]