156905240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{230743}}^1$

素因数の和:230771

約数の個数: 32

約数和(自身を含む): 373805280

約数和(自身を除く): 216900040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 230743, 461486, 922972, 1153715, 1845944, 2307430, 3922631, 4614860, 7845262, 9229720, 15690524, 19613155, 31381048, 39226310, 78452620, 156905240]

約数ペア:

[(1, 156905240), (2, 78452620), (4, 39226310), (5, 31381048), (8, 19613155), (10, 15690524), (17, 9229720), (20, 7845262), (34, 4614860), (40, 3922631), (68, 2307430), (85, 1845944), (136, 1153715), (170, 922972), (340, 461486), (680, 230743)]