1442090020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{168863}}^1$

素因数の和:168940

約数の個数: 48

約数和(自身を含む): 3517774848

約数和(自身を除く): 2075684828

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, 4270, 8540, 168863, 337726, 675452, 844315, 1182041, 1688630, 2364082, 3377260, 4728164, 5910205, 10300643, 11820410, 20601286, 23640820, 41202572, 51503215, 72104501, 103006430, 144209002, 206012860, 288418004, 360522505, 721045010, 1442090020]

約数ペア:

[(1, 1442090020), (2, 721045010), (4, 360522505), (5, 288418004), (7, 206012860), (10, 144209002), (14, 103006430), (20, 72104501), (28, 51503215), (35, 41202572), (61, 23640820), (70, 20601286), (122, 11820410), (140, 10300643), (244, 5910205), (305, 4728164), (427, 3377260), (610, 2364082), (854, 1688630), (1220, 1182041), (1708, 844315), (2135, 675452), (4270, 337726), (8540, 168863)]