28424620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1063}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 68640768

約数和(自身を除く): 40216148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 382, 764, 955, 1063, 1337, 1910, 2126, 2674, 3820, 4252, 5315, 5348, 6685, 7441, 10630, 13370, 14882, 21260, 26740, 29764, 37205, 74410, 148820, 203033, 406066, 812132, 1015165, 1421231, 2030330, 2842462, 4060660, 5684924, 7106155, 14212310, 28424620]

約数ペア:

[(1, 28424620), (2, 14212310), (4, 7106155), (5, 5684924), (7, 4060660), (10, 2842462), (14, 2030330), (20, 1421231), (28, 1015165), (35, 812132), (70, 406066), (140, 203033), (191, 148820), (382, 74410), (764, 37205), (955, 29764), (1063, 26740), (1337, 21260), (1910, 14882), (2126, 13370), (2674, 10630), (3820, 7441), (4252, 6685), (5315, 5348)]