127823920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{228257}}^1$

素因数の和:228277

約数の個数: 40

約数和(自身を含む): 339647904

約数和(自身を除く): 211823984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 228257, 456514, 913028, 1141285, 1597799, 1826056, 2282570, 3195598, 3652112, 4565140, 6391196, 7988995, 9130280, 12782392, 15977990, 18260560, 25564784, 31955980, 63911960, 127823920]

約数ペア:

[(1, 127823920), (2, 63911960), (4, 31955980), (5, 25564784), (7, 18260560), (8, 15977990), (10, 12782392), (14, 9130280), (16, 7988995), (20, 6391196), (28, 4565140), (35, 3652112), (40, 3195598), (56, 2282570), (70, 1826056), (80, 1597799), (112, 1141285), (140, 913028), (280, 456514), (560, 228257)]