56742860

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{269}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 122472000

約数和(自身を除く): 65729140

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 199, 212, 265, 269, 398, 530, 538, 796, 995, 1060, 1076, 1345, 1990, 2690, 3980, 5380, 10547, 14257, 21094, 28514, 42188, 52735, 53531, 57028, 71285, 105470, 107062, 142570, 210940, 214124, 267655, 285140, 535310, 1070620, 2837143, 5674286, 11348572, 14185715, 28371430, 56742860]

約数ペア:

[(1, 56742860), (2, 28371430), (4, 14185715), (5, 11348572), (10, 5674286), (20, 2837143), (53, 1070620), (106, 535310), (199, 285140), (212, 267655), (265, 214124), (269, 210940), (398, 142570), (530, 107062), (538, 105470), (796, 71285), (995, 57028), (1060, 53531), (1076, 52735), (1345, 42188), (1990, 28514), (2690, 21094), (3980, 14257), (5380, 10547)]