388370080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{49537}}^1$

素因数の和:49566

約数の個数: 72

約数和(自身を含む): 1067345748

約数和(自身を除く): 678975668

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 49537, 99074, 198148, 247685, 346759, 396296, 495370, 693518, 792592, 990740, 1387036, 1585184, 1733795, 1981480, 2427313, 2774072, 3467590, 3962960, 4854626, 5548144, 6935180, 7925920, 9709252, 11096288, 12136565, 13870360, 19418504, 24273130, 27740720, 38837008, 48546260, 55481440, 77674016, 97092520, 194185040, 388370080]

約数ペア:

[(1, 388370080), (2, 194185040), (4, 97092520), (5, 77674016), (7, 55481440), (8, 48546260), (10, 38837008), (14, 27740720), (16, 24273130), (20, 19418504), (28, 13870360), (32, 12136565), (35, 11096288), (40, 9709252), (49, 7925920), (56, 6935180), (70, 5548144), (80, 4854626), (98, 3962960), (112, 3467590), (140, 2774072), (160, 2427313), (196, 1981480), (224, 1733795), (245, 1585184), (280, 1387036), (392, 990740), (490, 792592), (560, 693518), (784, 495370), (980, 396296), (1120, 346759), (1568, 247685), (1960, 198148), (3920, 99074), (7840, 49537)]