28585060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1069}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 69027840

約数和(自身を除く): 40442780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 382, 764, 955, 1069, 1337, 1910, 2138, 2674, 3820, 4276, 5345, 5348, 6685, 7483, 10690, 13370, 14966, 21380, 26740, 29932, 37415, 74830, 149660, 204179, 408358, 816716, 1020895, 1429253, 2041790, 2858506, 4083580, 5717012, 7146265, 14292530, 28585060]

約数ペア:

[(1, 28585060), (2, 14292530), (4, 7146265), (5, 5717012), (7, 4083580), (10, 2858506), (14, 2041790), (20, 1429253), (28, 1020895), (35, 816716), (70, 408358), (140, 204179), (191, 149660), (382, 74830), (764, 37415), (955, 29932), (1069, 26740), (1337, 21380), (1910, 14966), (2138, 13370), (2674, 10690), (3820, 7483), (4276, 6685), (5345, 5348)]