304815020

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{18839}}^1$

素因数の和:19657

約数の個数: 24

約数和(自身を含む): 640936800

約数和(自身を除く): 336121780

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 8090, 16180, 18839, 37678, 75356, 94195, 188390, 376780, 15240751, 30481502, 60963004, 76203755, 152407510, 304815020]

約数ペア:

[(1, 304815020), (2, 152407510), (4, 76203755), (5, 60963004), (10, 30481502), (20, 15240751), (809, 376780), (1618, 188390), (3236, 94195), (4045, 75356), (8090, 37678), (16180, 18839)]