304363020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{390209}}^1$

素因数の和:390234

約数の個数: 48

約数和(自身を含む): 917773920

約数和(自身を除く): 613410900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 390209, 780418, 1170627, 1560836, 1951045, 2341254, 3902090, 4682508, 5072717, 5853135, 7804180, 10145434, 11706270, 15218151, 20290868, 23412540, 25363585, 30436302, 50727170, 60872604, 76090755, 101454340, 152181510, 304363020]

約数ペア:

[(1, 304363020), (2, 152181510), (3, 101454340), (4, 76090755), (5, 60872604), (6, 50727170), (10, 30436302), (12, 25363585), (13, 23412540), (15, 20290868), (20, 15218151), (26, 11706270), (30, 10145434), (39, 7804180), (52, 5853135), (60, 5072717), (65, 4682508), (78, 3902090), (130, 2341254), (156, 1951045), (195, 1560836), (260, 1170627), (390, 780418), (780, 390209)]