28670740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{204791}}^1$

素因数の和:204807

約数の個数: 24

約数和(自身を含む): 68810112

約数和(自身を除く): 40139372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 204791, 409582, 819164, 1023955, 1433537, 2047910, 2867074, 4095820, 5734148, 7167685, 14335370, 28670740]

約数ペア:

[(1, 28670740), (2, 14335370), (4, 7167685), (5, 5734148), (7, 4095820), (10, 2867074), (14, 2047910), (20, 1433537), (28, 1023955), (35, 819164), (70, 409582), (140, 204791)]