1704520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1045

約数の個数: 32

約数和(自身を含む): 3928320

約数和(自身を除く): 2223800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 991, 1720, 1982, 3964, 4955, 7928, 9910, 19820, 39640, 42613, 85226, 170452, 213065, 340904, 426130, 852260, 1704520]

約数ペア:

[(1, 1704520), (2, 852260), (4, 426130), (5, 340904), (8, 213065), (10, 170452), (20, 85226), (40, 42613), (43, 39640), (86, 19820), (172, 9910), (215, 7928), (344, 4955), (430, 3964), (860, 1982), (991, 1720)]