28999120

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 70651728

約数和(自身を除く): 41652608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 97, 101, 148, 185, 194, 202, 296, 370, 388, 404, 485, 505, 592, 740, 776, 808, 970, 1010, 1480, 1552, 1616, 1940, 2020, 2960, 3589, 3737, 3880, 4040, 7178, 7474, 7760, 8080, 9797, 14356, 14948, 17945, 18685, 19594, 28712, 29896, 35890, 37370, 39188, 48985, 57424, 59792, 71780, 74740, 78376, 97970, 143560, 149480, 156752, 195940, 287120, 298960, 362489, 391880, 724978, 783760, 1449956, 1812445, 2899912, 3624890, 5799824, 7249780, 14499560, 28999120]

約数ペア:

[(1, 28999120), (2, 14499560), (4, 7249780), (5, 5799824), (8, 3624890), (10, 2899912), (16, 1812445), (20, 1449956), (37, 783760), (40, 724978), (74, 391880), (80, 362489), (97, 298960), (101, 287120), (148, 195940), (185, 156752), (194, 149480), (202, 143560), (296, 97970), (370, 78376), (388, 74740), (404, 71780), (485, 59792), (505, 57424), (592, 48985), (740, 39188), (776, 37370), (808, 35890), (970, 29896), (1010, 28712), (1480, 19594), (1552, 18685), (1616, 17945), (1940, 14948), (2020, 14356), (2960, 9797), (3589, 8080), (3737, 7760), (3880, 7474), (4040, 7178)]