280645456

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{14827}}^1$

素因数の和:14868

約数の個数: 60

約数和(自身を含む): 672953952

約数和(自身を除く): 392308496

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1183, 1352, 1456, 2366, 2704, 4732, 9464, 14827, 18928, 29654, 59308, 103789, 118616, 192751, 207578, 237232, 385502, 415156, 771004, 830312, 1349257, 1542008, 1660624, 2505763, 2698514, 3084016, 5011526, 5397028, 10023052, 10794056, 17540341, 20046104, 21588112, 35080682, 40092208, 70161364, 140322728, 280645456]

約数ペア:

[(1, 280645456), (2, 140322728), (4, 70161364), (7, 40092208), (8, 35080682), (13, 21588112), (14, 20046104), (16, 17540341), (26, 10794056), (28, 10023052), (52, 5397028), (56, 5011526), (91, 3084016), (104, 2698514), (112, 2505763), (169, 1660624), (182, 1542008), (208, 1349257), (338, 830312), (364, 771004), (676, 415156), (728, 385502), (1183, 237232), (1352, 207578), (1456, 192751), (2366, 118616), (2704, 103789), (4732, 59308), (9464, 29654), (14827, 18928)]