278766125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6991}}^1$

素因数の和:7046

約数の個数: 32

約数和(自身を含む): 392670720

約数和(自身を除く): 113904595

約数列:

[1, 5, 11, 25, 29, 55, 125, 145, 275, 319, 725, 1375, 1595, 3625, 6991, 7975, 34955, 39875, 76901, 174775, 202739, 384505, 873875, 1013695, 1922525, 2230129, 5068475, 9612625, 11150645, 25342375, 55753225, 278766125]

約数ペア:

[(1, 278766125), (5, 55753225), (11, 25342375), (25, 11150645), (29, 9612625), (55, 5068475), (125, 2230129), (145, 1922525), (275, 1013695), (319, 873875), (725, 384505), (1375, 202739), (1595, 174775), (3625, 76901), (6991, 39875), (7975, 34955)]