256045748

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 549444672

約数和(自身を除く): 293398924

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 73, 76, 133, 146, 266, 292, 347, 361, 511, 532, 694, 722, 1022, 1387, 1388, 1444, 2044, 2429, 2527, 2774, 4858, 5054, 5548, 6593, 9709, 9716, 10108, 13186, 19418, 25331, 26353, 26372, 38836, 46151, 50662, 52706, 92302, 101324, 105412, 125267, 177317, 184471, 184604, 250534, 354634, 368942, 481289, 501068, 709268, 737884, 876869, 962578, 1753738, 1925156, 3369023, 3507476, 6738046, 9144491, 13476092, 18288982, 36577964, 64011437, 128022874, 256045748]

約数ペア:

[(1, 256045748), (2, 128022874), (4, 64011437), (7, 36577964), (14, 18288982), (19, 13476092), (28, 9144491), (38, 6738046), (73, 3507476), (76, 3369023), (133, 1925156), (146, 1753738), (266, 962578), (292, 876869), (347, 737884), (361, 709268), (511, 501068), (532, 481289), (694, 368942), (722, 354634), (1022, 250534), (1387, 184604), (1388, 184471), (1444, 177317), (2044, 125267), (2429, 105412), (2527, 101324), (2774, 92302), (4858, 52706), (5054, 50662), (5548, 46151), (6593, 38836), (9709, 26372), (9716, 26353), (10108, 25331), (13186, 19418)]