70727020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38861}}^1$

素因数の和:38890

約数の個数: 48

約数和(自身を含む): 182806848

約数和(自身を除く): 112079828

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 38861, 77722, 155444, 194305, 272027, 388610, 505193, 544054, 777220, 1010386, 1088108, 1360135, 2020772, 2525965, 2720270, 3536351, 5051930, 5440540, 7072702, 10103860, 14145404, 17681755, 35363510, 70727020]

約数ペア:

[(1, 70727020), (2, 35363510), (4, 17681755), (5, 14145404), (7, 10103860), (10, 7072702), (13, 5440540), (14, 5051930), (20, 3536351), (26, 2720270), (28, 2525965), (35, 2020772), (52, 1360135), (65, 1088108), (70, 1010386), (91, 777220), (130, 544054), (140, 505193), (182, 388610), (260, 272027), (364, 194305), (455, 155444), (910, 77722), (1820, 38861)]