521002160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{4871}}^1$

素因数の和:5082

約数の個数: 80

約数和(自身を含む): 1391910912

約数和(自身を除く): 870908752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 191, 280, 382, 560, 764, 955, 1337, 1528, 1910, 2674, 3056, 3820, 4871, 5348, 6685, 7640, 9742, 10696, 13370, 15280, 19484, 21392, 24355, 26740, 34097, 38968, 48710, 53480, 68194, 77936, 97420, 106960, 136388, 170485, 194840, 272776, 340970, 389680, 545552, 681940, 930361, 1363880, 1860722, 2727760, 3721444, 4651805, 6512527, 7442888, 9303610, 13025054, 14885776, 18607220, 26050108, 32562635, 37214440, 52100216, 65125270, 74428880, 104200432, 130250540, 260501080, 521002160]

約数ペア:

[(1, 521002160), (2, 260501080), (4, 130250540), (5, 104200432), (7, 74428880), (8, 65125270), (10, 52100216), (14, 37214440), (16, 32562635), (20, 26050108), (28, 18607220), (35, 14885776), (40, 13025054), (56, 9303610), (70, 7442888), (80, 6512527), (112, 4651805), (140, 3721444), (191, 2727760), (280, 1860722), (382, 1363880), (560, 930361), (764, 681940), (955, 545552), (1337, 389680), (1528, 340970), (1910, 272776), (2674, 194840), (3056, 170485), (3820, 136388), (4871, 106960), (5348, 97420), (6685, 77936), (7640, 68194), (9742, 53480), (10696, 48710), (13370, 38968), (15280, 34097), (19484, 26740), (21392, 24355)]