307804540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{194813}}^1$

素因数の和:194901

約数の個数: 24

約数和(自身を含む): 654575040

約数和(自身を除く): 346770500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 194813, 389626, 779252, 974065, 1948130, 3896260, 15390227, 30780454, 61560908, 76951135, 153902270, 307804540]

約数ペア:

[(1, 307804540), (2, 153902270), (4, 76951135), (5, 61560908), (10, 30780454), (20, 15390227), (79, 3896260), (158, 1948130), (316, 974065), (395, 779252), (790, 389626), (1580, 194813)]