205847125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{283}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 294001344

約数和(自身を除く): 88154219

約数列:

[1, 5, 11, 23, 25, 55, 115, 125, 253, 275, 283, 529, 575, 1265, 1375, 1415, 2645, 2875, 3113, 5819, 6325, 6509, 7075, 13225, 15565, 29095, 31625, 32545, 35375, 66125, 71599, 77825, 145475, 149707, 162725, 357995, 389125, 727375, 748535, 813625, 1646777, 1789975, 3742675, 8233885, 8949875, 18713375, 41169425, 205847125]

約数ペア:

[(1, 205847125), (5, 41169425), (11, 18713375), (23, 8949875), (25, 8233885), (55, 3742675), (115, 1789975), (125, 1646777), (253, 813625), (275, 748535), (283, 727375), (529, 389125), (575, 357995), (1265, 162725), (1375, 149707), (1415, 145475), (2645, 77825), (2875, 71599), (3113, 66125), (5819, 35375), (6325, 32545), (6509, 31625), (7075, 29095), (13225, 15565)]