4228840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1373}}^1$

素因数の和:1402

約数の個数: 64

約数和(自身を含む): 11871360

約数和(自身を除く): 7642520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1373, 1540, 2746, 3080, 5492, 6865, 9611, 10984, 13730, 15103, 19222, 27460, 30206, 38444, 48055, 54920, 60412, 75515, 76888, 96110, 105721, 120824, 151030, 192220, 211442, 302060, 384440, 422884, 528605, 604120, 845768, 1057210, 2114420, 4228840]

約数ペア:

[(1, 4228840), (2, 2114420), (4, 1057210), (5, 845768), (7, 604120), (8, 528605), (10, 422884), (11, 384440), (14, 302060), (20, 211442), (22, 192220), (28, 151030), (35, 120824), (40, 105721), (44, 96110), (55, 76888), (56, 75515), (70, 60412), (77, 54920), (88, 48055), (110, 38444), (140, 30206), (154, 27460), (220, 19222), (280, 15103), (308, 13730), (385, 10984), (440, 9611), (616, 6865), (770, 5492), (1373, 3080), (1540, 2746)]