633320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 1451520

約数和(自身を除く): 818200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 223, 284, 355, 446, 568, 710, 892, 1115, 1420, 1784, 2230, 2840, 4460, 8920, 15833, 31666, 63332, 79165, 126664, 158330, 316660, 633320]

約数ペア:

[(1, 633320), (2, 316660), (4, 158330), (5, 126664), (8, 79165), (10, 63332), (20, 31666), (40, 15833), (71, 8920), (142, 4460), (223, 2840), (284, 2230), (355, 1784), (446, 1420), (568, 1115), (710, 892)]