123420390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{739}}^1$

素因数の和:1061

約数の個数: 64

約数和(自身を含む): 313286400

約数和(自身を除く): 189866010

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 293, 570, 586, 739, 879, 1465, 1478, 1758, 2217, 2930, 3695, 4395, 4434, 5567, 7390, 8790, 11085, 11134, 14041, 16701, 22170, 27835, 28082, 33402, 42123, 55670, 70205, 83505, 84246, 140410, 167010, 210615, 216527, 421230, 433054, 649581, 1082635, 1299162, 2165270, 3247905, 4114013, 6495810, 8228026, 12342039, 20570065, 24684078, 41140130, 61710195, 123420390]

約数ペア:

[(1, 123420390), (2, 61710195), (3, 41140130), (5, 24684078), (6, 20570065), (10, 12342039), (15, 8228026), (19, 6495810), (30, 4114013), (38, 3247905), (57, 2165270), (95, 1299162), (114, 1082635), (190, 649581), (285, 433054), (293, 421230), (570, 216527), (586, 210615), (739, 167010), (879, 140410), (1465, 84246), (1478, 83505), (1758, 70205), (2217, 55670), (2930, 42123), (3695, 33402), (4395, 28082), (4434, 27835), (5567, 22170), (7390, 16701), (8790, 14041), (11085, 11134)]