22721380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 53960760

約数和(自身を除く): 31239380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 121, 164, 205, 220, 229, 242, 410, 451, 458, 484, 605, 820, 902, 916, 1145, 1210, 1804, 2255, 2290, 2420, 2519, 4510, 4580, 4961, 5038, 9020, 9389, 9922, 10076, 12595, 18778, 19844, 24805, 25190, 27709, 37556, 46945, 49610, 50380, 55418, 93890, 99220, 103279, 110836, 138545, 187780, 206558, 277090, 413116, 516395, 554180, 1032790, 1136069, 2065580, 2272138, 4544276, 5680345, 11360690, 22721380]

約数ペア:

[(1, 22721380), (2, 11360690), (4, 5680345), (5, 4544276), (10, 2272138), (11, 2065580), (20, 1136069), (22, 1032790), (41, 554180), (44, 516395), (55, 413116), (82, 277090), (110, 206558), (121, 187780), (164, 138545), (205, 110836), (220, 103279), (229, 99220), (242, 93890), (410, 55418), (451, 50380), (458, 49610), (484, 46945), (605, 37556), (820, 27709), (902, 25190), (916, 24805), (1145, 19844), (1210, 18778), (1804, 12595), (2255, 10076), (2290, 9922), (2420, 9389), (2519, 9020), (4510, 5038), (4580, 4961)]