312325780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{1979}}^1$

素因数の和:2608

約数の個数: 48

約数和(自身を含む): 707857920

約数和(自身を除く): 395532140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 607, 1214, 1979, 2428, 3035, 3958, 6070, 7891, 7916, 9895, 12140, 15782, 19790, 25727, 31564, 39455, 39580, 51454, 78910, 102908, 128635, 157820, 257270, 514540, 1201253, 2402506, 4805012, 6006265, 12012530, 15616289, 24025060, 31232578, 62465156, 78081445, 156162890, 312325780]

約数ペア:

[(1, 312325780), (2, 156162890), (4, 78081445), (5, 62465156), (10, 31232578), (13, 24025060), (20, 15616289), (26, 12012530), (52, 6006265), (65, 4805012), (130, 2402506), (260, 1201253), (607, 514540), (1214, 257270), (1979, 157820), (2428, 128635), (3035, 102908), (3958, 78910), (6070, 51454), (7891, 39580), (7916, 39455), (9895, 31564), (12140, 25727), (15782, 19790)]