28702940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3361}}^1$

素因数の和:3438

約数の個数: 48

約数和(自身を含む): 70037184

約数和(自身を除く): 41334244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 3361, 4270, 6722, 8540, 13444, 16805, 23527, 33610, 47054, 67220, 94108, 117635, 205021, 235270, 410042, 470540, 820084, 1025105, 1435147, 2050210, 2870294, 4100420, 5740588, 7175735, 14351470, 28702940]

約数ペア:

[(1, 28702940), (2, 14351470), (4, 7175735), (5, 5740588), (7, 4100420), (10, 2870294), (14, 2050210), (20, 1435147), (28, 1025105), (35, 820084), (61, 470540), (70, 410042), (122, 235270), (140, 205021), (244, 117635), (305, 94108), (427, 67220), (610, 47054), (854, 33610), (1220, 23527), (1708, 16805), (2135, 13444), (3361, 8540), (4270, 6722)]