278913350

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4813}}^1$

素因数の和:4905

約数の個数: 48

約数和(自身を含む): 555150480

約数和(自身を除く): 276237130

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 61, 95, 122, 190, 305, 475, 610, 950, 1159, 1525, 2318, 3050, 4813, 5795, 9626, 11590, 24065, 28975, 48130, 57950, 91447, 120325, 182894, 240650, 293593, 457235, 587186, 914470, 1467965, 2286175, 2935930, 4572350, 5578267, 7339825, 11156534, 14679650, 27891335, 55782670, 139456675, 278913350]

約数ペア:

[(1, 278913350), (2, 139456675), (5, 55782670), (10, 27891335), (19, 14679650), (25, 11156534), (38, 7339825), (50, 5578267), (61, 4572350), (95, 2935930), (122, 2286175), (190, 1467965), (305, 914470), (475, 587186), (610, 457235), (950, 293593), (1159, 240650), (1525, 182894), (2318, 120325), (3050, 91447), (4813, 57950), (5795, 48130), (9626, 28975), (11590, 24065)]