67638620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{69019}}^1$

素因数の和:69042

約数の個数: 36

約数和(自身を含む): 165233880

約数和(自身を除く): 97595260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 69019, 138038, 276076, 345095, 483133, 690190, 966266, 1380380, 1932532, 2415665, 3381931, 4831330, 6763862, 9662660, 13527724, 16909655, 33819310, 67638620]

約数ペア:

[(1, 67638620), (2, 33819310), (4, 16909655), (5, 13527724), (7, 9662660), (10, 6763862), (14, 4831330), (20, 3381931), (28, 2415665), (35, 1932532), (49, 1380380), (70, 966266), (98, 690190), (140, 483133), (196, 345095), (245, 276076), (490, 138038), (980, 69019)]