78156580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3407}}^1$

素因数の和:3484

約数の個数: 48

約数和(自身を含む): 174053376

約数和(自身を除く): 95896796

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 2294, 3407, 4588, 5735, 6814, 11470, 13628, 17035, 22940, 34070, 68140, 105617, 126059, 211234, 252118, 422468, 504236, 528085, 630295, 1056170, 1260590, 2112340, 2521180, 3907829, 7815658, 15631316, 19539145, 39078290, 78156580]

約数ペア:

[(1, 78156580), (2, 39078290), (4, 19539145), (5, 15631316), (10, 7815658), (20, 3907829), (31, 2521180), (37, 2112340), (62, 1260590), (74, 1056170), (124, 630295), (148, 528085), (155, 504236), (185, 422468), (310, 252118), (370, 211234), (620, 126059), (740, 105617), (1147, 68140), (2294, 34070), (3407, 22940), (4588, 17035), (5735, 13628), (6814, 11470)]