71224460

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{7253}}^1$

素因数の和:7753

約数の個数: 24

約数和(自身を含む): 149896656

約数和(自身を除く): 78672196

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 7253, 9820, 14506, 29012, 36265, 72530, 145060, 3561223, 7122446, 14244892, 17806115, 35612230, 71224460]

約数ペア:

[(1, 71224460), (2, 35612230), (4, 17806115), (5, 14244892), (10, 7122446), (20, 3561223), (491, 145060), (982, 72530), (1964, 36265), (2455, 29012), (4910, 14506), (7253, 9820)]