68978060

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 148176000

約数和(自身を除く): 79197940

約数列:

[1, 2, 4, 5, 10, 20, 79, 149, 158, 293, 298, 316, 395, 586, 596, 745, 790, 1172, 1465, 1490, 1580, 2930, 2980, 5860, 11771, 23147, 23542, 43657, 46294, 47084, 58855, 87314, 92588, 115735, 117710, 174628, 218285, 231470, 235420, 436570, 462940, 873140, 3448903, 6897806, 13795612, 17244515, 34489030, 68978060]

約数ペア:

[(1, 68978060), (2, 34489030), (4, 17244515), (5, 13795612), (10, 6897806), (20, 3448903), (79, 873140), (149, 462940), (158, 436570), (293, 235420), (298, 231470), (316, 218285), (395, 174628), (586, 117710), (596, 115735), (745, 92588), (790, 87314), (1172, 58855), (1465, 47084), (1490, 46294), (1580, 43657), (2930, 23542), (2980, 23147), (5860, 11771)]