211311760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2203}}^1$

素因数の和:2336

約数の個数: 80

約数和(自身を含む): 541126080

約数和(自身を除く): 329814320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 109, 110, 176, 218, 220, 436, 440, 545, 872, 880, 1090, 1199, 1744, 2180, 2203, 2398, 4360, 4406, 4796, 5995, 8720, 8812, 9592, 11015, 11990, 17624, 19184, 22030, 23980, 24233, 35248, 44060, 47960, 48466, 88120, 95920, 96932, 121165, 176240, 193864, 240127, 242330, 387728, 480254, 484660, 960508, 969320, 1200635, 1921016, 1938640, 2401270, 2641397, 3842032, 4802540, 5282794, 9605080, 10565588, 13206985, 19210160, 21131176, 26413970, 42262352, 52827940, 105655880, 211311760]

約数ペア:

[(1, 211311760), (2, 105655880), (4, 52827940), (5, 42262352), (8, 26413970), (10, 21131176), (11, 19210160), (16, 13206985), (20, 10565588), (22, 9605080), (40, 5282794), (44, 4802540), (55, 3842032), (80, 2641397), (88, 2401270), (109, 1938640), (110, 1921016), (176, 1200635), (218, 969320), (220, 960508), (436, 484660), (440, 480254), (545, 387728), (872, 242330), (880, 240127), (1090, 193864), (1199, 176240), (1744, 121165), (2180, 96932), (2203, 95920), (2398, 88120), (4360, 48466), (4406, 47960), (4796, 44060), (5995, 35248), (8720, 24233), (8812, 23980), (9592, 22030), (11015, 19184), (11990, 17624)]