78288280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{677}}^1$

素因数の和:761

約数の個数: 96

約数和(自身を含む): 208688400

約数和(自身を除く): 130400120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 59, 70, 98, 118, 140, 196, 236, 245, 280, 295, 392, 413, 472, 490, 590, 677, 826, 980, 1180, 1354, 1652, 1960, 2065, 2360, 2708, 2891, 3304, 3385, 4130, 4739, 5416, 5782, 6770, 8260, 9478, 11564, 13540, 14455, 16520, 18956, 23128, 23695, 27080, 28910, 33173, 37912, 39943, 47390, 57820, 66346, 79886, 94780, 115640, 132692, 159772, 165865, 189560, 199715, 265384, 279601, 319544, 331730, 399430, 559202, 663460, 798860, 1118404, 1326920, 1398005, 1597720, 1957207, 2236808, 2796010, 3914414, 5592020, 7828828, 9786035, 11184040, 15657656, 19572070, 39144140, 78288280]

約数ペア:

[(1, 78288280), (2, 39144140), (4, 19572070), (5, 15657656), (7, 11184040), (8, 9786035), (10, 7828828), (14, 5592020), (20, 3914414), (28, 2796010), (35, 2236808), (40, 1957207), (49, 1597720), (56, 1398005), (59, 1326920), (70, 1118404), (98, 798860), (118, 663460), (140, 559202), (196, 399430), (236, 331730), (245, 319544), (280, 279601), (295, 265384), (392, 199715), (413, 189560), (472, 165865), (490, 159772), (590, 132692), (677, 115640), (826, 94780), (980, 79886), (1180, 66346), (1354, 57820), (1652, 47390), (1960, 39943), (2065, 37912), (2360, 33173), (2708, 28910), (2891, 27080), (3304, 23695), (3385, 23128), (4130, 18956), (4739, 16520), (5416, 14455), (5782, 13540), (6770, 11564), (8260, 9478)]