28932980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1979}}^1$

素因数の和:2048

約数の個数: 48

約数和(自身を含む): 65862720

約数和(自身を除く): 36929740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 1979, 2924, 3655, 3958, 7310, 7916, 9895, 14620, 19790, 33643, 39580, 67286, 85097, 134572, 168215, 170194, 336430, 340388, 425485, 672860, 850970, 1446649, 1701940, 2893298, 5786596, 7233245, 14466490, 28932980]

約数ペア:

[(1, 28932980), (2, 14466490), (4, 7233245), (5, 5786596), (10, 2893298), (17, 1701940), (20, 1446649), (34, 850970), (43, 672860), (68, 425485), (85, 340388), (86, 336430), (170, 170194), (172, 168215), (215, 134572), (340, 85097), (430, 67286), (731, 39580), (860, 33643), (1462, 19790), (1979, 14620), (2924, 9895), (3655, 7916), (3958, 7310)]