290642690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{853}}^1\times {\mathrm{2621}}^1$

素因数の和:3494

約数の個数: 32

約数和(自身を含む): 564275376

約数和(自身を除く): 273632686

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 853, 1706, 2621, 4265, 5242, 8530, 11089, 13105, 22178, 26210, 34073, 55445, 68146, 110890, 170365, 340730, 2235713, 4471426, 11178565, 22357130, 29064269, 58128538, 145321345, 290642690]

約数ペア:

[(1, 290642690), (2, 145321345), (5, 58128538), (10, 29064269), (13, 22357130), (26, 11178565), (65, 4471426), (130, 2235713), (853, 340730), (1706, 170365), (2621, 110890), (4265, 68146), (5242, 55445), (8530, 34073), (11089, 26210), (13105, 22178)]