898291025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{40237}}^1$

素因数の和:40313

約数の個数: 24

約数和(自身を含む): 1197482880

約数和(自身を除く): 299191855

約数列:

[1, 5, 19, 25, 47, 95, 235, 475, 893, 1175, 4465, 22325, 40237, 201185, 764503, 1005925, 1891139, 3822515, 9455695, 19112575, 35931641, 47278475, 179658205, 898291025]

約数ペア:

[(1, 898291025), (5, 179658205), (19, 47278475), (25, 35931641), (47, 19112575), (95, 9455695), (235, 3822515), (475, 1891139), (893, 1005925), (1175, 764503), (4465, 201185), (22325, 40237)]