74338940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2087}}^1$

素因数の和:2246

約数の個数: 48

約数和(自身を含む): 169428672

約数和(自身を除く): 95089732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1370, 1781, 2087, 2740, 3562, 4174, 7124, 8348, 8905, 10435, 17810, 20870, 27131, 35620, 41740, 54262, 108524, 135655, 271310, 285919, 542620, 571838, 1143676, 1429595, 2859190, 3716947, 5718380, 7433894, 14867788, 18584735, 37169470, 74338940]

約数ペア:

[(1, 74338940), (2, 37169470), (4, 18584735), (5, 14867788), (10, 7433894), (13, 5718380), (20, 3716947), (26, 2859190), (52, 1429595), (65, 1143676), (130, 571838), (137, 542620), (260, 285919), (274, 271310), (548, 135655), (685, 108524), (1370, 54262), (1781, 41740), (2087, 35620), (2740, 27131), (3562, 20870), (4174, 17810), (7124, 10435), (8348, 8905)]