420715805

素因数分解:

$5^1\times {\mathrm{409}}^1\times {\mathrm{419}}^1\times {\mathrm{491}}^1$

素因数の和:1324

約数の個数: 16

約数和(自身を含む): 508334400

約数和(自身を除く): 87618595

約数列:

[1, 5, 409, 419, 491, 2045, 2095, 2455, 171371, 200819, 205729, 856855, 1004095, 1028645, 84143161, 420715805]

約数ペア:

[(1, 420715805), (5, 84143161), (409, 1028645), (419, 1004095), (491, 856855), (2045, 205729), (2095, 200819), (2455, 171371)]