123453904

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^3\times {\mathrm{37}}^1$

素因数の和:145

約数の個数: 80

約数和(自身を含む): 290108416

約数和(自身を除く): 166654512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 37, 56, 62, 74, 112, 124, 148, 217, 248, 259, 296, 434, 496, 518, 592, 868, 961, 1036, 1147, 1736, 1922, 2072, 2294, 3472, 3844, 4144, 4588, 6727, 7688, 8029, 9176, 13454, 15376, 16058, 18352, 26908, 29791, 32116, 35557, 53816, 59582, 64232, 71114, 107632, 119164, 128464, 142228, 208537, 238328, 248899, 284456, 417074, 476656, 497798, 568912, 834148, 995596, 1102267, 1668296, 1991192, 2204534, 3336592, 3982384, 4409068, 7715869, 8818136, 15431738, 17636272, 30863476, 61726952, 123453904]

約数ペア:

[(1, 123453904), (2, 61726952), (4, 30863476), (7, 17636272), (8, 15431738), (14, 8818136), (16, 7715869), (28, 4409068), (31, 3982384), (37, 3336592), (56, 2204534), (62, 1991192), (74, 1668296), (112, 1102267), (124, 995596), (148, 834148), (217, 568912), (248, 497798), (259, 476656), (296, 417074), (434, 284456), (496, 248899), (518, 238328), (592, 208537), (868, 142228), (961, 128464), (1036, 119164), (1147, 107632), (1736, 71114), (1922, 64232), (2072, 59582), (2294, 53816), (3472, 35557), (3844, 32116), (4144, 29791), (4588, 26908), (6727, 18352), (7688, 16058), (8029, 15376), (9176, 13454)]