13737080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 35873280

約数和(自身を除く): 22136200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 691, 710, 994, 1382, 1420, 1988, 2485, 2764, 2840, 3455, 3976, 4837, 4970, 5528, 6910, 9674, 9940, 13820, 19348, 19880, 24185, 27640, 38696, 48370, 49061, 96740, 98122, 193480, 196244, 245305, 343427, 392488, 490610, 686854, 981220, 1373708, 1717135, 1962440, 2747416, 3434270, 6868540, 13737080]

約数ペア:

[(1, 13737080), (2, 6868540), (4, 3434270), (5, 2747416), (7, 1962440), (8, 1717135), (10, 1373708), (14, 981220), (20, 686854), (28, 490610), (35, 392488), (40, 343427), (56, 245305), (70, 196244), (71, 193480), (140, 98122), (142, 96740), (280, 49061), (284, 48370), (355, 38696), (497, 27640), (568, 24185), (691, 19880), (710, 19348), (994, 13820), (1382, 9940), (1420, 9674), (1988, 6910), (2485, 5528), (2764, 4970), (2840, 4837), (3455, 3976)]