28285860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:337

約数の個数: 96

約数和(自身を含む): 83865600

約数和(自身を除く): 55579740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 103, 115, 138, 199, 206, 230, 276, 309, 345, 398, 412, 460, 515, 597, 618, 690, 796, 995, 1030, 1194, 1236, 1380, 1545, 1990, 2060, 2369, 2388, 2985, 3090, 3980, 4577, 4738, 5970, 6180, 7107, 9154, 9476, 11845, 11940, 13731, 14214, 18308, 20497, 22885, 23690, 27462, 28428, 35535, 40994, 45770, 47380, 54924, 61491, 68655, 71070, 81988, 91540, 102485, 122982, 137310, 142140, 204970, 245964, 274620, 307455, 409940, 471431, 614910, 942862, 1229820, 1414293, 1885724, 2357155, 2828586, 4714310, 5657172, 7071465, 9428620, 14142930, 28285860]

約数ペア:

[(1, 28285860), (2, 14142930), (3, 9428620), (4, 7071465), (5, 5657172), (6, 4714310), (10, 2828586), (12, 2357155), (15, 1885724), (20, 1414293), (23, 1229820), (30, 942862), (46, 614910), (60, 471431), (69, 409940), (92, 307455), (103, 274620), (115, 245964), (138, 204970), (199, 142140), (206, 137310), (230, 122982), (276, 102485), (309, 91540), (345, 81988), (398, 71070), (412, 68655), (460, 61491), (515, 54924), (597, 47380), (618, 45770), (690, 40994), (796, 35535), (995, 28428), (1030, 27462), (1194, 23690), (1236, 22885), (1380, 20497), (1545, 18308), (1990, 14214), (2060, 13731), (2369, 11940), (2388, 11845), (2985, 9476), (3090, 9154), (3980, 7107), (4577, 6180), (4738, 5970)]