137550790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:641

約数の個数: 48

約数和(自身を含む): 270108000

約数和(自身を除く): 132557210

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 199, 338, 398, 409, 818, 845, 995, 1690, 1990, 2045, 2587, 4090, 5174, 5317, 10634, 12935, 25870, 26585, 33631, 53170, 67262, 69121, 81391, 138242, 162782, 168155, 336310, 345605, 406955, 691210, 813910, 1058083, 2116166, 5290415, 10580830, 13755079, 27510158, 68775395, 137550790]

約数ペア:

[(1, 137550790), (2, 68775395), (5, 27510158), (10, 13755079), (13, 10580830), (26, 5290415), (65, 2116166), (130, 1058083), (169, 813910), (199, 691210), (338, 406955), (398, 345605), (409, 336310), (818, 168155), (845, 162782), (995, 138242), (1690, 81391), (1990, 69121), (2045, 67262), (2587, 53170), (4090, 33631), (5174, 26585), (5317, 25870), (10634, 12935)]