2120875

素因数分解:

$5^3\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:100

約数の個数: 24

約数和(自身を含む): 2852928

約数和(自身を除く): 732053

約数列:

[1, 5, 19, 25, 47, 95, 125, 235, 361, 475, 893, 1175, 1805, 2375, 4465, 5875, 9025, 16967, 22325, 45125, 84835, 111625, 424175, 2120875]

約数ペア:

[(1, 2120875), (5, 424175), (19, 111625), (25, 84835), (47, 45125), (95, 22325), (125, 16967), (235, 9025), (361, 5875), (475, 4465), (893, 2375), (1175, 1805)]