77172340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{551231}}^1$

素因数の和:551247

約数の個数: 24

約数和(自身を含む): 185213952

約数和(自身を除く): 108041612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 551231, 1102462, 2204924, 2756155, 3858617, 5512310, 7717234, 11024620, 15434468, 19293085, 38586170, 77172340]

約数ペア:

[(1, 77172340), (2, 38586170), (4, 19293085), (5, 15434468), (7, 11024620), (10, 7717234), (14, 5512310), (20, 3858617), (28, 2756155), (35, 2204924), (70, 1102462), (140, 551231)]