221570360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{45779}}^1$

素因数の和:45812

約数の個数: 48

約数和(自身を含む): 547986600

約数和(自身を除く): 326416240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 45779, 91558, 183116, 228895, 366232, 457790, 503569, 915580, 1007138, 1831160, 2014276, 2517845, 4028552, 5035690, 5539259, 10071380, 11078518, 20142760, 22157036, 27696295, 44314072, 55392590, 110785180, 221570360]

約数ペア:

[(1, 221570360), (2, 110785180), (4, 55392590), (5, 44314072), (8, 27696295), (10, 22157036), (11, 20142760), (20, 11078518), (22, 10071380), (40, 5539259), (44, 5035690), (55, 4028552), (88, 2517845), (110, 2014276), (121, 1831160), (220, 1007138), (242, 915580), (440, 503569), (484, 457790), (605, 366232), (968, 228895), (1210, 183116), (2420, 91558), (4840, 45779)]