30490025

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 38955840

約数和(自身を除く): 8465815

約数列:

[1, 5, 25, 67, 109, 167, 335, 545, 835, 1675, 2725, 4175, 7303, 11189, 18203, 36515, 55945, 91015, 182575, 279725, 455075, 1219601, 6098005, 30490025]

約数ペア:

[(1, 30490025), (5, 6098005), (25, 1219601), (67, 455075), (109, 279725), (167, 182575), (335, 91015), (545, 55945), (835, 36515), (1675, 18203), (2725, 11189), (4175, 7303)]