266875

素因数分解:

$5^4\times 7^1\times {\mathrm{61}}^1$

素因数の和:88

約数の個数: 20

約数和(自身を含む): 387376

約数和(自身を除く): 120501

約数列:

[1, 5, 7, 25, 35, 61, 125, 175, 305, 427, 625, 875, 1525, 2135, 4375, 7625, 10675, 38125, 53375, 266875]

約数ペア:

[(1, 266875), (5, 53375), (7, 38125), (25, 10675), (35, 7625), (61, 4375), (125, 2135), (175, 1525), (305, 875), (427, 625)]