61985140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{1187}}^1$

素因数の和:1576

約数の個数: 48

約数和(自身を含む): 149288832

約数和(自身を除く): 87303692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 373, 746, 1187, 1492, 1865, 2374, 2611, 3730, 4748, 5222, 5935, 7460, 8309, 10444, 11870, 13055, 16618, 23740, 26110, 33236, 41545, 52220, 83090, 166180, 442751, 885502, 1771004, 2213755, 3099257, 4427510, 6198514, 8855020, 12397028, 15496285, 30992570, 61985140]

約数ペア:

[(1, 61985140), (2, 30992570), (4, 15496285), (5, 12397028), (7, 8855020), (10, 6198514), (14, 4427510), (20, 3099257), (28, 2213755), (35, 1771004), (70, 885502), (140, 442751), (373, 166180), (746, 83090), (1187, 52220), (1492, 41545), (1865, 33236), (2374, 26110), (2611, 23740), (3730, 16618), (4748, 13055), (5222, 11870), (5935, 10444), (7460, 8309)]