28400148

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{449}}^1$

素因数の和:717

約数の個数: 72

約数和(自身を含む): 82555200

約数和(自身を除く): 54155052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 251, 252, 449, 502, 753, 898, 1004, 1347, 1506, 1757, 1796, 2259, 2694, 3012, 3143, 3514, 4041, 4518, 5271, 5388, 6286, 7028, 8082, 9036, 9429, 10542, 12572, 15813, 16164, 18858, 21084, 28287, 31626, 37716, 56574, 63252, 112699, 113148, 225398, 338097, 450796, 676194, 788893, 1014291, 1352388, 1577786, 2028582, 2366679, 3155572, 4057164, 4733358, 7100037, 9466716, 14200074, 28400148]

約数ペア:

[(1, 28400148), (2, 14200074), (3, 9466716), (4, 7100037), (6, 4733358), (7, 4057164), (9, 3155572), (12, 2366679), (14, 2028582), (18, 1577786), (21, 1352388), (28, 1014291), (36, 788893), (42, 676194), (63, 450796), (84, 338097), (126, 225398), (251, 113148), (252, 112699), (449, 63252), (502, 56574), (753, 37716), (898, 31626), (1004, 28287), (1347, 21084), (1506, 18858), (1757, 16164), (1796, 15813), (2259, 12572), (2694, 10542), (3012, 9429), (3143, 9036), (3514, 8082), (4041, 7028), (4518, 6286), (5271, 5388)]