189957740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1051}}^1\times {\mathrm{1291}}^1$

素因数の和:2358

約数の個数: 48

約数和(自身を含む): 456685824

約数和(自身を除く): 266728084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1051, 1291, 2102, 2582, 4204, 5164, 5255, 6455, 7357, 9037, 10510, 12910, 14714, 18074, 21020, 25820, 29428, 36148, 36785, 45185, 73570, 90370, 147140, 180740, 1356841, 2713682, 5427364, 6784205, 9497887, 13568410, 18995774, 27136820, 37991548, 47489435, 94978870, 189957740]

約数ペア:

[(1, 189957740), (2, 94978870), (4, 47489435), (5, 37991548), (7, 27136820), (10, 18995774), (14, 13568410), (20, 9497887), (28, 6784205), (35, 5427364), (70, 2713682), (140, 1356841), (1051, 180740), (1291, 147140), (2102, 90370), (2582, 73570), (4204, 45185), (5164, 36785), (5255, 36148), (6455, 29428), (7357, 25820), (9037, 21020), (10510, 18074), (12910, 14714)]