90946660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{649619}}^1$

素因数の和:649635

約数の個数: 24

約数和(自身を含む): 218272320

約数和(自身を除く): 127325660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 649619, 1299238, 2598476, 3248095, 4547333, 6496190, 9094666, 12992380, 18189332, 22736665, 45473330, 90946660]

約数ペア:

[(1, 90946660), (2, 45473330), (4, 22736665), (5, 18189332), (7, 12992380), (10, 9094666), (14, 6496190), (20, 4547333), (28, 3248095), (35, 2598476), (70, 1299238), (140, 649619)]