447318460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{315013}}^1$

素因数の和:315093

約数の個数: 24

約数和(自身を含む): 952602336

約数和(自身を除く): 505283876

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 315013, 630026, 1260052, 1575065, 3150130, 6300260, 22365923, 44731846, 89463692, 111829615, 223659230, 447318460]

約数ペア:

[(1, 447318460), (2, 223659230), (4, 111829615), (5, 89463692), (10, 44731846), (20, 22365923), (71, 6300260), (142, 3150130), (284, 1575065), (355, 1260052), (710, 630026), (1420, 315013)]