678490090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2\times {\mathrm{1709}}^1$

素因数の和:1819

約数の個数: 48

約数和(自身を含む): 1299223800

約数和(自身を除く): 620733710

約数列:

[1, 2, 5, 10, 29, 37, 58, 74, 145, 185, 290, 370, 1073, 1369, 1709, 2146, 2738, 3418, 5365, 6845, 8545, 10730, 13690, 17090, 39701, 49561, 63233, 79402, 99122, 126466, 198505, 247805, 316165, 397010, 495610, 632330, 1833757, 2339621, 3667514, 4679242, 9168785, 11698105, 18337570, 23396210, 67849009, 135698018, 339245045, 678490090]

約数ペア:

[(1, 678490090), (2, 339245045), (5, 135698018), (10, 67849009), (29, 23396210), (37, 18337570), (58, 11698105), (74, 9168785), (145, 4679242), (185, 3667514), (290, 2339621), (370, 1833757), (1073, 632330), (1369, 495610), (1709, 397010), (2146, 316165), (2738, 247805), (3418, 198505), (5365, 126466), (6845, 99122), (8545, 79402), (10730, 63233), (13690, 49561), (17090, 39701)]