857485640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{7583}}^1$

素因数の和:7862

約数の個数: 64

約数和(自身を含む): 2113205760

約数和(自身を除く): 1255720120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 257, 440, 514, 1028, 1285, 2056, 2570, 2827, 5140, 5654, 7583, 10280, 11308, 14135, 15166, 22616, 28270, 30332, 37915, 56540, 60664, 75830, 83413, 113080, 151660, 166826, 303320, 333652, 417065, 667304, 834130, 1668260, 1948831, 3336520, 3897662, 7795324, 9744155, 15590648, 19488310, 21437141, 38976620, 42874282, 77953240, 85748564, 107185705, 171497128, 214371410, 428742820, 857485640]

約数ペア:

[(1, 857485640), (2, 428742820), (4, 214371410), (5, 171497128), (8, 107185705), (10, 85748564), (11, 77953240), (20, 42874282), (22, 38976620), (40, 21437141), (44, 19488310), (55, 15590648), (88, 9744155), (110, 7795324), (220, 3897662), (257, 3336520), (440, 1948831), (514, 1668260), (1028, 834130), (1285, 667304), (2056, 417065), (2570, 333652), (2827, 303320), (5140, 166826), (5654, 151660), (7583, 113080), (10280, 83413), (11308, 75830), (14135, 60664), (15166, 56540), (22616, 37915), (28270, 30332)]