87290980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{27109}}^1$

素因数の和:27148

約数の個数: 48

約数和(自身を含む): 218615040

約数和(自身を除く): 131324060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 27109, 54218, 108436, 135545, 189763, 271090, 379526, 542180, 623507, 759052, 948815, 1247014, 1897630, 2494028, 3117535, 3795260, 4364549, 6235070, 8729098, 12470140, 17458196, 21822745, 43645490, 87290980]

約数ペア:

[(1, 87290980), (2, 43645490), (4, 21822745), (5, 17458196), (7, 12470140), (10, 8729098), (14, 6235070), (20, 4364549), (23, 3795260), (28, 3117535), (35, 2494028), (46, 1897630), (70, 1247014), (92, 948815), (115, 759052), (140, 623507), (161, 542180), (230, 379526), (322, 271090), (460, 189763), (644, 135545), (805, 108436), (1610, 54218), (3220, 27109)]