405545360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{4751}}^1$

素因数の和:4872

約数の個数: 80

約数和(自身を含む): 1039433472

約数和(自身を除く): 633888112

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 97, 110, 176, 194, 220, 388, 440, 485, 776, 880, 970, 1067, 1552, 1940, 2134, 3880, 4268, 4751, 5335, 7760, 8536, 9502, 10670, 17072, 19004, 21340, 23755, 38008, 42680, 47510, 52261, 76016, 85360, 95020, 104522, 190040, 209044, 261305, 380080, 418088, 460847, 522610, 836176, 921694, 1045220, 1843388, 2090440, 2304235, 3686776, 4180880, 4608470, 5069317, 7373552, 9216940, 10138634, 18433880, 20277268, 25346585, 36867760, 40554536, 50693170, 81109072, 101386340, 202772680, 405545360]

約数ペア:

[(1, 405545360), (2, 202772680), (4, 101386340), (5, 81109072), (8, 50693170), (10, 40554536), (11, 36867760), (16, 25346585), (20, 20277268), (22, 18433880), (40, 10138634), (44, 9216940), (55, 7373552), (80, 5069317), (88, 4608470), (97, 4180880), (110, 3686776), (176, 2304235), (194, 2090440), (220, 1843388), (388, 1045220), (440, 921694), (485, 836176), (776, 522610), (880, 460847), (970, 418088), (1067, 380080), (1552, 261305), (1940, 209044), (2134, 190040), (3880, 104522), (4268, 95020), (4751, 85360), (5335, 76016), (7760, 52261), (8536, 47510), (9502, 42680), (10670, 38008), (17072, 23755), (19004, 21340)]