42763820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 101352384

約数和(自身を除く): 58588564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 121, 164, 205, 220, 242, 410, 431, 451, 484, 605, 820, 862, 902, 1210, 1724, 1804, 2155, 2255, 2420, 4310, 4510, 4741, 4961, 8620, 9020, 9482, 9922, 17671, 18964, 19844, 23705, 24805, 35342, 47410, 49610, 52151, 70684, 88355, 94820, 99220, 104302, 176710, 194381, 208604, 260755, 353420, 388762, 521510, 777524, 971905, 1043020, 1943810, 2138191, 3887620, 4276382, 8552764, 10690955, 21381910, 42763820]

約数ペア:

[(1, 42763820), (2, 21381910), (4, 10690955), (5, 8552764), (10, 4276382), (11, 3887620), (20, 2138191), (22, 1943810), (41, 1043020), (44, 971905), (55, 777524), (82, 521510), (110, 388762), (121, 353420), (164, 260755), (205, 208604), (220, 194381), (242, 176710), (410, 104302), (431, 99220), (451, 94820), (484, 88355), (605, 70684), (820, 52151), (862, 49610), (902, 47410), (1210, 35342), (1724, 24805), (1804, 23705), (2155, 19844), (2255, 18964), (2420, 17671), (4310, 9922), (4510, 9482), (4741, 9020), (4961, 8620)]