17727220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{18089}}^1$

素因数の和:18112

約数の個数: 36

約数和(自身を含む): 43307460

約数和(自身を除く): 25580240

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 18089, 36178, 72356, 90445, 126623, 180890, 253246, 361780, 506492, 633115, 886361, 1266230, 1772722, 2532460, 3545444, 4431805, 8863610, 17727220]

約数ペア:

[(1, 17727220), (2, 8863610), (4, 4431805), (5, 3545444), (7, 2532460), (10, 1772722), (14, 1266230), (20, 886361), (28, 633115), (35, 506492), (49, 361780), (70, 253246), (98, 180890), (140, 126623), (196, 90445), (245, 72356), (490, 36178), (980, 18089)]