545240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 1259280

約数和(自身を除く): 714040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 317, 344, 430, 634, 860, 1268, 1585, 1720, 2536, 3170, 6340, 12680, 13631, 27262, 54524, 68155, 109048, 136310, 272620, 545240]

約数ペア:

[(1, 545240), (2, 272620), (4, 136310), (5, 109048), (8, 68155), (10, 54524), (20, 27262), (40, 13631), (43, 12680), (86, 6340), (172, 3170), (215, 2536), (317, 1720), (344, 1585), (430, 1268), (634, 860)]