129460420

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{29027}}^1$

素因数の和:29259

約数の個数: 24

約数和(自身を含む): 273095424

約数和(自身を除く): 143635004

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 29027, 58054, 116108, 145135, 290270, 580540, 6473021, 12946042, 25892084, 32365105, 64730210, 129460420]

約数ペア:

[(1, 129460420), (2, 64730210), (4, 32365105), (5, 25892084), (10, 12946042), (20, 6473021), (223, 580540), (446, 290270), (892, 145135), (1115, 116108), (2230, 58054), (4460, 29027)]