1273830280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{740599}}^1$

素因数の和:740653

約数の個数: 32

約数和(自身を含む): 2932776000

約数和(自身を除く): 1658945720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 740599, 1481198, 2962396, 3702995, 5924792, 7405990, 14811980, 29623960, 31845757, 63691514, 127383028, 159228785, 254766056, 318457570, 636915140, 1273830280]

約数ペア:

[(1, 1273830280), (2, 636915140), (4, 318457570), (5, 254766056), (8, 159228785), (10, 127383028), (20, 63691514), (40, 31845757), (43, 29623960), (86, 14811980), (172, 7405990), (215, 5924792), (344, 3702995), (430, 2962396), (860, 1481198), (1720, 740599)]