90899060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{649279}}^1$

素因数の和:649295

約数の個数: 24

約数和(自身を含む): 218158080

約数和(自身を除く): 127259020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 649279, 1298558, 2597116, 3246395, 4544953, 6492790, 9089906, 12985580, 18179812, 22724765, 45449530, 90899060]

約数ペア:

[(1, 90899060), (2, 45449530), (4, 22724765), (5, 18179812), (7, 12985580), (10, 9089906), (14, 6492790), (20, 4544953), (28, 3246395), (35, 2597116), (70, 1298558), (140, 649279)]