685087180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{41927}}^1$

素因数の和:41998

約数の個数: 48

約数和(自身を含む): 1549658880

約数和(自身を除く): 864571700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 8170, 16340, 41927, 83854, 167708, 209635, 419270, 796613, 838540, 1593226, 1802861, 3186452, 3605722, 3983065, 7211444, 7966130, 9014305, 15932260, 18028610, 34254359, 36057220, 68508718, 137017436, 171271795, 342543590, 685087180]

約数ペア:

[(1, 685087180), (2, 342543590), (4, 171271795), (5, 137017436), (10, 68508718), (19, 36057220), (20, 34254359), (38, 18028610), (43, 15932260), (76, 9014305), (86, 7966130), (95, 7211444), (172, 3983065), (190, 3605722), (215, 3186452), (380, 1802861), (430, 1593226), (817, 838540), (860, 796613), (1634, 419270), (3268, 209635), (4085, 167708), (8170, 83854), (16340, 41927)]