121800620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{607}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 261488640

約数和(自身を除く): 139688020

約数列:

[1, 2, 4, 5, 10, 20, 79, 127, 158, 254, 316, 395, 508, 607, 635, 790, 1214, 1270, 1580, 2428, 2540, 3035, 6070, 10033, 12140, 20066, 40132, 47953, 50165, 77089, 95906, 100330, 154178, 191812, 200660, 239765, 308356, 385445, 479530, 770890, 959060, 1541780, 6090031, 12180062, 24360124, 30450155, 60900310, 121800620]

約数ペア:

[(1, 121800620), (2, 60900310), (4, 30450155), (5, 24360124), (10, 12180062), (20, 6090031), (79, 1541780), (127, 959060), (158, 770890), (254, 479530), (316, 385445), (395, 308356), (508, 239765), (607, 200660), (635, 191812), (790, 154178), (1214, 100330), (1270, 95906), (1580, 77089), (2428, 50165), (2540, 47953), (3035, 40132), (6070, 20066), (10033, 12140)]