311022080

素因数分解:

$2^9\times 5^1\times {\mathrm{121493}}^1$

素因数の和:121516

約数の個数: 40

約数和(自身を含む): 745730172

約数和(自身を除く): 434708092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 121493, 242986, 485972, 607465, 971944, 1214930, 1943888, 2429860, 3887776, 4859720, 7775552, 9719440, 15551104, 19438880, 31102208, 38877760, 62204416, 77755520, 155511040, 311022080]

約数ペア:

[(1, 311022080), (2, 155511040), (4, 77755520), (5, 62204416), (8, 38877760), (10, 31102208), (16, 19438880), (20, 15551104), (32, 9719440), (40, 7775552), (64, 4859720), (80, 3887776), (128, 2429860), (160, 1943888), (256, 1214930), (320, 971944), (512, 607465), (640, 485972), (1280, 242986), (2560, 121493)]