2449775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 3273600

約数和(自身を除く): 823825

約数列:

[1, 5, 25, 29, 31, 109, 145, 155, 545, 725, 775, 899, 2725, 3161, 3379, 4495, 15805, 16895, 22475, 79025, 84475, 97991, 489955, 2449775]

約数ペア:

[(1, 2449775), (5, 489955), (25, 97991), (29, 84475), (31, 79025), (109, 22475), (145, 16895), (155, 15805), (545, 4495), (725, 3379), (775, 3161), (899, 2725)]