7900180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 17554320

約数和(自身を除く): 9654140

約数列:

[1, 2, 4, 5, 10, 20, 29, 53, 58, 106, 116, 145, 212, 257, 265, 290, 514, 530, 580, 1028, 1060, 1285, 1537, 2570, 3074, 5140, 6148, 7453, 7685, 13621, 14906, 15370, 27242, 29812, 30740, 37265, 54484, 68105, 74530, 136210, 149060, 272420, 395009, 790018, 1580036, 1975045, 3950090, 7900180]

約数ペア:

[(1, 7900180), (2, 3950090), (4, 1975045), (5, 1580036), (10, 790018), (20, 395009), (29, 272420), (53, 149060), (58, 136210), (106, 74530), (116, 68105), (145, 54484), (212, 37265), (257, 30740), (265, 29812), (290, 27242), (514, 15370), (530, 14906), (580, 13621), (1028, 7685), (1060, 7453), (1285, 6148), (1537, 5140), (2570, 3074)]