278360388

素因数分解:

$2^2\times 3^5\times {\mathrm{73}}^1\times {\mathrm{3923}}^1$

素因数の和:4015

約数の個数: 72

約数和(自身を含む): 739878048

約数和(自身を除く): 461517660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 81, 108, 146, 162, 219, 243, 292, 324, 438, 486, 657, 876, 972, 1314, 1971, 2628, 3923, 3942, 5913, 7846, 7884, 11769, 11826, 15692, 17739, 23538, 23652, 35307, 35478, 47076, 70614, 70956, 105921, 141228, 211842, 286379, 317763, 423684, 572758, 635526, 859137, 953289, 1145516, 1271052, 1718274, 1906578, 2577411, 3436548, 3813156, 5154822, 7732233, 10309644, 15464466, 23196699, 30928932, 46393398, 69590097, 92786796, 139180194, 278360388]

約数ペア:

[(1, 278360388), (2, 139180194), (3, 92786796), (4, 69590097), (6, 46393398), (9, 30928932), (12, 23196699), (18, 15464466), (27, 10309644), (36, 7732233), (54, 5154822), (73, 3813156), (81, 3436548), (108, 2577411), (146, 1906578), (162, 1718274), (219, 1271052), (243, 1145516), (292, 953289), (324, 859137), (438, 635526), (486, 572758), (657, 423684), (876, 317763), (972, 286379), (1314, 211842), (1971, 141228), (2628, 105921), (3923, 70956), (3942, 70614), (5913, 47076), (7846, 35478), (7884, 35307), (11769, 23652), (11826, 23538), (15692, 17739)]