1285278620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{32771}}^1$

素因数の和:32870

約数の個数: 48

約数和(自身を含む): 2824422048

約数和(自身を除く): 1539143428

約数列:

[1, 2, 4, 5, 10, 20, 37, 53, 74, 106, 148, 185, 212, 265, 370, 530, 740, 1060, 1961, 3922, 7844, 9805, 19610, 32771, 39220, 65542, 131084, 163855, 327710, 655420, 1212527, 1736863, 2425054, 3473726, 4850108, 6062635, 6947452, 8684315, 12125270, 17368630, 24250540, 34737260, 64263931, 128527862, 257055724, 321319655, 642639310, 1285278620]

約数ペア:

[(1, 1285278620), (2, 642639310), (4, 321319655), (5, 257055724), (10, 128527862), (20, 64263931), (37, 34737260), (53, 24250540), (74, 17368630), (106, 12125270), (148, 8684315), (185, 6947452), (212, 6062635), (265, 4850108), (370, 3473726), (530, 2425054), (740, 1736863), (1060, 1212527), (1961, 655420), (3922, 327710), (7844, 163855), (9805, 131084), (19610, 65542), (32771, 39220)]