280648506

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 604800000

約数和(自身を除く): 324151494

約数列:

[1, 2, 3, 6, 19, 38, 57, 89, 114, 139, 178, 199, 267, 278, 398, 417, 534, 597, 834, 1194, 1691, 2641, 3382, 3781, 5073, 5282, 7562, 7923, 10146, 11343, 12371, 15846, 17711, 22686, 24742, 27661, 35422, 37113, 53133, 55322, 74226, 82983, 106266, 165966, 235049, 336509, 470098, 525559, 673018, 705147, 1009527, 1051118, 1410294, 1576677, 2019054, 2461829, 3153354, 4923658, 7385487, 14770974, 46774751, 93549502, 140324253, 280648506]

約数ペア:

[(1, 280648506), (2, 140324253), (3, 93549502), (6, 46774751), (19, 14770974), (38, 7385487), (57, 4923658), (89, 3153354), (114, 2461829), (139, 2019054), (178, 1576677), (199, 1410294), (267, 1051118), (278, 1009527), (398, 705147), (417, 673018), (534, 525559), (597, 470098), (834, 336509), (1194, 235049), (1691, 165966), (2641, 106266), (3382, 82983), (3781, 74226), (5073, 55322), (5282, 53133), (7562, 37113), (7923, 35422), (10146, 27661), (11343, 24742), (12371, 22686), (15846, 17711)]