279430228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 632217600

約数和(自身を除く): 352787372

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 77, 94, 97, 154, 188, 194, 199, 308, 329, 388, 398, 517, 658, 679, 796, 1034, 1067, 1316, 1358, 1393, 2068, 2134, 2189, 2716, 2786, 3619, 4268, 4378, 4559, 5572, 7238, 7469, 8756, 9118, 9353, 14476, 14938, 15323, 18236, 18706, 19303, 29876, 30646, 31913, 37412, 38606, 50149, 61292, 63826, 65471, 77212, 100298, 102883, 127652, 130942, 135121, 200596, 205766, 212333, 261884, 270242, 351043, 411532, 424666, 540484, 702086, 720181, 849332, 907241, 1404172, 1440362, 1486331, 1814482, 2880724, 2972662, 3628964, 5945324, 6350687, 9979651, 12701374, 19959302, 25402748, 39918604, 69857557, 139715114, 279430228]

約数ペア:

[(1, 279430228), (2, 139715114), (4, 69857557), (7, 39918604), (11, 25402748), (14, 19959302), (22, 12701374), (28, 9979651), (44, 6350687), (47, 5945324), (77, 3628964), (94, 2972662), (97, 2880724), (154, 1814482), (188, 1486331), (194, 1440362), (199, 1404172), (308, 907241), (329, 849332), (388, 720181), (398, 702086), (517, 540484), (658, 424666), (679, 411532), (796, 351043), (1034, 270242), (1067, 261884), (1316, 212333), (1358, 205766), (1393, 200596), (2068, 135121), (2134, 130942), (2189, 127652), (2716, 102883), (2786, 100298), (3619, 77212), (4268, 65471), (4378, 63826), (4559, 61292), (5572, 50149), (7238, 38606), (7469, 37412), (8756, 31913), (9118, 30646), (9353, 29876), (14476, 19303), (14938, 18706), (15323, 18236)]