211370740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{3803}}^1$

素因数の和:4216

約数の個数: 48

約数和(自身を含む): 508701312

約数和(自身を除く): 297330572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1588, 1985, 2779, 3803, 3970, 5558, 7606, 7940, 11116, 13895, 15212, 19015, 26621, 27790, 38030, 53242, 55580, 76060, 106484, 133105, 266210, 532420, 1509791, 3019582, 6039164, 7548955, 10568537, 15097910, 21137074, 30195820, 42274148, 52842685, 105685370, 211370740]

約数ペア:

[(1, 211370740), (2, 105685370), (4, 52842685), (5, 42274148), (7, 30195820), (10, 21137074), (14, 15097910), (20, 10568537), (28, 7548955), (35, 6039164), (70, 3019582), (140, 1509791), (397, 532420), (794, 266210), (1588, 133105), (1985, 106484), (2779, 76060), (3803, 55580), (3970, 53242), (5558, 38030), (7606, 27790), (7940, 26621), (11116, 19015), (13895, 15212)]