491030290

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{117191}}^1$

素因数の和:117617

約数の個数: 16

約数和(自身を含む): 885971520

約数和(自身を除く): 394941230

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 117191, 234382, 585955, 1171910, 49103029, 98206058, 245515145, 491030290]

約数ペア:

[(1, 491030290), (2, 245515145), (5, 98206058), (10, 49103029), (419, 1171910), (838, 585955), (2095, 234382), (4190, 117191)]