84484840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1223}}^1$

素因数の和:1402

約数の個数: 64

約数和(自身を含む): 208863360

約数和(自身を除く): 124378520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 220, 314, 440, 628, 785, 1223, 1256, 1570, 1727, 2446, 3140, 3454, 4892, 6115, 6280, 6908, 8635, 9784, 12230, 13453, 13816, 17270, 24460, 26906, 34540, 48920, 53812, 67265, 69080, 107624, 134530, 192011, 269060, 384022, 538120, 768044, 960055, 1536088, 1920110, 2112121, 3840220, 4224242, 7680440, 8448484, 10560605, 16896968, 21121210, 42242420, 84484840]

約数ペア:

[(1, 84484840), (2, 42242420), (4, 21121210), (5, 16896968), (8, 10560605), (10, 8448484), (11, 7680440), (20, 4224242), (22, 3840220), (40, 2112121), (44, 1920110), (55, 1536088), (88, 960055), (110, 768044), (157, 538120), (220, 384022), (314, 269060), (440, 192011), (628, 134530), (785, 107624), (1223, 69080), (1256, 67265), (1570, 53812), (1727, 48920), (2446, 34540), (3140, 26906), (3454, 24460), (4892, 17270), (6115, 13816), (6280, 13453), (6908, 12230), (8635, 9784)]