728681380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{5204867}}^1$

素因数の和:5204883

約数の個数: 24

約数和(自身を含む): 1748835648

約数和(自身を除く): 1020154268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 5204867, 10409734, 20819468, 26024335, 36434069, 52048670, 72868138, 104097340, 145736276, 182170345, 364340690, 728681380]

約数ペア:

[(1, 728681380), (2, 364340690), (4, 182170345), (5, 145736276), (7, 104097340), (10, 72868138), (14, 52048670), (20, 36434069), (28, 26024335), (35, 20819468), (70, 10409734), (140, 5204867)]