685583480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{3923}}^1$

素因数の和:4208

約数の個数: 64

約数和(自身を含む): 1640075040

約数和(自身を除く): 954491560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 257, 340, 514, 680, 1028, 1285, 2056, 2570, 3923, 4369, 5140, 7846, 8738, 10280, 15692, 17476, 19615, 21845, 31384, 34952, 39230, 43690, 66691, 78460, 87380, 133382, 156920, 174760, 266764, 333455, 533528, 666910, 1008211, 1333820, 2016422, 2667640, 4032844, 5041055, 8065688, 10082110, 17139587, 20164220, 34279174, 40328440, 68558348, 85697935, 137116696, 171395870, 342791740, 685583480]

約数ペア:

[(1, 685583480), (2, 342791740), (4, 171395870), (5, 137116696), (8, 85697935), (10, 68558348), (17, 40328440), (20, 34279174), (34, 20164220), (40, 17139587), (68, 10082110), (85, 8065688), (136, 5041055), (170, 4032844), (257, 2667640), (340, 2016422), (514, 1333820), (680, 1008211), (1028, 666910), (1285, 533528), (2056, 333455), (2570, 266764), (3923, 174760), (4369, 156920), (5140, 133382), (7846, 87380), (8738, 78460), (10280, 66691), (15692, 43690), (17476, 39230), (19615, 34952), (21845, 31384)]