108539120

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 259858368

約数和(自身を除く): 151319248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 97, 142, 194, 197, 284, 355, 388, 394, 485, 568, 710, 776, 788, 970, 985, 1136, 1420, 1552, 1576, 1940, 1970, 2840, 3152, 3880, 3940, 5680, 6887, 7760, 7880, 13774, 13987, 15760, 19109, 27548, 27974, 34435, 38218, 55096, 55948, 68870, 69935, 76436, 95545, 110192, 111896, 137740, 139870, 152872, 191090, 223792, 275480, 279740, 305744, 382180, 550960, 559480, 764360, 1118960, 1356739, 1528720, 2713478, 5426956, 6783695, 10853912, 13567390, 21707824, 27134780, 54269560, 108539120]

約数ペア:

[(1, 108539120), (2, 54269560), (4, 27134780), (5, 21707824), (8, 13567390), (10, 10853912), (16, 6783695), (20, 5426956), (40, 2713478), (71, 1528720), (80, 1356739), (97, 1118960), (142, 764360), (194, 559480), (197, 550960), (284, 382180), (355, 305744), (388, 279740), (394, 275480), (485, 223792), (568, 191090), (710, 152872), (776, 139870), (788, 137740), (970, 111896), (985, 110192), (1136, 95545), (1420, 76436), (1552, 69935), (1576, 68870), (1940, 55948), (1970, 55096), (2840, 38218), (3152, 34435), (3880, 27974), (3940, 27548), (5680, 19109), (6887, 15760), (7760, 13987), (7880, 13774)]