245647590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{1789}}^1$

素因数の和:2021

約数の個数: 64

約数和(自身を含む): 618624000

約数和(自身を除く): 372976410

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 199, 230, 345, 398, 597, 690, 995, 1194, 1789, 1990, 2985, 3578, 4577, 5367, 5970, 8945, 9154, 10734, 13731, 17890, 22885, 26835, 27462, 41147, 45770, 53670, 68655, 82294, 123441, 137310, 205735, 246882, 356011, 411470, 617205, 712022, 1068033, 1234410, 1780055, 2136066, 3560110, 5340165, 8188253, 10680330, 16376506, 24564759, 40941265, 49129518, 81882530, 122823795, 245647590]

約数ペア:

[(1, 245647590), (2, 122823795), (3, 81882530), (5, 49129518), (6, 40941265), (10, 24564759), (15, 16376506), (23, 10680330), (30, 8188253), (46, 5340165), (69, 3560110), (115, 2136066), (138, 1780055), (199, 1234410), (230, 1068033), (345, 712022), (398, 617205), (597, 411470), (690, 356011), (995, 246882), (1194, 205735), (1789, 137310), (1990, 123441), (2985, 82294), (3578, 68655), (4577, 53670), (5367, 45770), (5970, 41147), (8945, 27462), (9154, 26835), (10734, 22885), (13731, 17890)]