516171880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{389}}^1\times {\mathrm{677}}^1$

素因数の和:1091

約数の個数: 96

約数和(自身を含む): 1356474600

約数和(自身を除く): 840302720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 389, 392, 490, 677, 778, 980, 1354, 1556, 1945, 1960, 2708, 2723, 3112, 3385, 3890, 4739, 5416, 5446, 6770, 7780, 9478, 10892, 13540, 13615, 15560, 18956, 19061, 21784, 23695, 27080, 27230, 33173, 37912, 38122, 47390, 54460, 66346, 76244, 94780, 95305, 108920, 132692, 152488, 165865, 189560, 190610, 263353, 265384, 331730, 381220, 526706, 663460, 762440, 1053412, 1316765, 1326920, 1843471, 2106824, 2633530, 3686942, 5267060, 7373884, 9217355, 10534120, 12904297, 14747768, 18434710, 25808594, 36869420, 51617188, 64521485, 73738840, 103234376, 129042970, 258085940, 516171880]

約数ペア:

[(1, 516171880), (2, 258085940), (4, 129042970), (5, 103234376), (7, 73738840), (8, 64521485), (10, 51617188), (14, 36869420), (20, 25808594), (28, 18434710), (35, 14747768), (40, 12904297), (49, 10534120), (56, 9217355), (70, 7373884), (98, 5267060), (140, 3686942), (196, 2633530), (245, 2106824), (280, 1843471), (389, 1326920), (392, 1316765), (490, 1053412), (677, 762440), (778, 663460), (980, 526706), (1354, 381220), (1556, 331730), (1945, 265384), (1960, 263353), (2708, 190610), (2723, 189560), (3112, 165865), (3385, 152488), (3890, 132692), (4739, 108920), (5416, 95305), (5446, 94780), (6770, 76244), (7780, 66346), (9478, 54460), (10892, 47390), (13540, 38122), (13615, 37912), (15560, 33173), (18956, 27230), (19061, 27080), (21784, 23695)]