90008240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1657}}^1$

素因数の和:1774

約数の個数: 80

約数和(自身を含む): 241776192

約数和(自身を除く): 151767952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 388, 485, 560, 679, 776, 970, 1358, 1552, 1657, 1940, 2716, 3314, 3395, 3880, 5432, 6628, 6790, 7760, 8285, 10864, 11599, 13256, 13580, 16570, 23198, 26512, 27160, 33140, 46396, 54320, 57995, 66280, 92792, 115990, 132560, 160729, 185584, 231980, 321458, 463960, 642916, 803645, 927920, 1125103, 1285832, 1607290, 2250206, 2571664, 3214580, 4500412, 5625515, 6429160, 9000824, 11251030, 12858320, 18001648, 22502060, 45004120, 90008240]

約数ペア:

[(1, 90008240), (2, 45004120), (4, 22502060), (5, 18001648), (7, 12858320), (8, 11251030), (10, 9000824), (14, 6429160), (16, 5625515), (20, 4500412), (28, 3214580), (35, 2571664), (40, 2250206), (56, 1607290), (70, 1285832), (80, 1125103), (97, 927920), (112, 803645), (140, 642916), (194, 463960), (280, 321458), (388, 231980), (485, 185584), (560, 160729), (679, 132560), (776, 115990), (970, 92792), (1358, 66280), (1552, 57995), (1657, 54320), (1940, 46396), (2716, 33140), (3314, 27160), (3395, 26512), (3880, 23198), (5432, 16570), (6628, 13580), (6790, 13256), (7760, 11599), (8285, 10864)]