917185720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{90631}}^1$

素因数の和:90676

約数の個数: 64

約数和(自身を含む): 2349181440

約数和(自身を除く): 1431995720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 90631, 181262, 362524, 453155, 725048, 906310, 996941, 1812620, 1993882, 2084513, 3625240, 3987764, 4169026, 4984705, 7975528, 8338052, 9969410, 10422565, 16676104, 19938820, 20845130, 22929643, 39877640, 41690260, 45859286, 83380520, 91718572, 114648215, 183437144, 229296430, 458592860, 917185720]

約数ペア:

[(1, 917185720), (2, 458592860), (4, 229296430), (5, 183437144), (8, 114648215), (10, 91718572), (11, 83380520), (20, 45859286), (22, 41690260), (23, 39877640), (40, 22929643), (44, 20845130), (46, 19938820), (55, 16676104), (88, 10422565), (92, 9969410), (110, 8338052), (115, 7975528), (184, 4984705), (220, 4169026), (230, 3987764), (253, 3625240), (440, 2084513), (460, 1993882), (506, 1812620), (920, 996941), (1012, 906310), (1265, 725048), (2024, 453155), (2530, 362524), (5060, 181262), (10120, 90631)]