28402260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1249}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 79800000

約数和(自身を除く): 51397740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 379, 758, 1137, 1249, 1516, 1895, 2274, 2498, 3747, 3790, 4548, 4996, 5685, 6245, 7494, 7580, 11370, 12490, 14988, 18735, 22740, 24980, 37470, 74940, 473371, 946742, 1420113, 1893484, 2366855, 2840226, 4733710, 5680452, 7100565, 9467420, 14201130, 28402260]

約数ペア:

[(1, 28402260), (2, 14201130), (3, 9467420), (4, 7100565), (5, 5680452), (6, 4733710), (10, 2840226), (12, 2366855), (15, 1893484), (20, 1420113), (30, 946742), (60, 473371), (379, 74940), (758, 37470), (1137, 24980), (1249, 22740), (1516, 18735), (1895, 14988), (2274, 12490), (2498, 11370), (3747, 7580), (3790, 7494), (4548, 6245), (4996, 5685)]