319502740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{1657}}^1$

素因数の和:2008

約数の個数: 48

約数和(自身を含む): 695245824

約数和(自身を除く): 375743084

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 311, 620, 622, 1244, 1555, 1657, 3110, 3314, 6220, 6628, 8285, 9641, 16570, 19282, 33140, 38564, 48205, 51367, 96410, 102734, 192820, 205468, 256835, 513670, 515327, 1027340, 1030654, 2061308, 2576635, 5153270, 10306540, 15975137, 31950274, 63900548, 79875685, 159751370, 319502740]

約数ペア:

[(1, 319502740), (2, 159751370), (4, 79875685), (5, 63900548), (10, 31950274), (20, 15975137), (31, 10306540), (62, 5153270), (124, 2576635), (155, 2061308), (310, 1030654), (311, 1027340), (620, 515327), (622, 513670), (1244, 256835), (1555, 205468), (1657, 192820), (3110, 102734), (3314, 96410), (6220, 51367), (6628, 48205), (8285, 38564), (9641, 33140), (16570, 19282)]