218019760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16927}}^1$

素因数の和:16970

約数の個数: 80

約数和(自身を含む): 604532736

約数和(自身を除く): 386512976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 16927, 33854, 67708, 84635, 118489, 135416, 169270, 236978, 270832, 338540, 389321, 473956, 592445, 677080, 778642, 947912, 1184890, 1354160, 1557284, 1895824, 1946605, 2369780, 2725247, 3114568, 3893210, 4739560, 5450494, 6229136, 7786420, 9479120, 10900988, 13626235, 15572840, 21801976, 27252470, 31145680, 43603952, 54504940, 109009880, 218019760]

約数ペア:

[(1, 218019760), (2, 109009880), (4, 54504940), (5, 43603952), (7, 31145680), (8, 27252470), (10, 21801976), (14, 15572840), (16, 13626235), (20, 10900988), (23, 9479120), (28, 7786420), (35, 6229136), (40, 5450494), (46, 4739560), (56, 3893210), (70, 3114568), (80, 2725247), (92, 2369780), (112, 1946605), (115, 1895824), (140, 1557284), (161, 1354160), (184, 1184890), (230, 947912), (280, 778642), (322, 677080), (368, 592445), (460, 473956), (560, 389321), (644, 338540), (805, 270832), (920, 236978), (1288, 169270), (1610, 135416), (1840, 118489), (2576, 84635), (3220, 67708), (6440, 33854), (12880, 16927)]