393871360

素因数分解:

$2^{17}\times 5^1\times {\mathrm{601}}^1$

素因数の和:640

約数の個数: 72

約数和(自身を含む): 946860516

約数和(自身を除く): 552989156

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 601, 640, 1024, 1202, 1280, 2048, 2404, 2560, 3005, 4096, 4808, 5120, 6010, 8192, 9616, 10240, 12020, 16384, 19232, 20480, 24040, 32768, 38464, 40960, 48080, 65536, 76928, 81920, 96160, 131072, 153856, 163840, 192320, 307712, 327680, 384640, 615424, 655360, 769280, 1230848, 1538560, 2461696, 3077120, 4923392, 6154240, 9846784, 12308480, 19693568, 24616960, 39387136, 49233920, 78774272, 98467840, 196935680, 393871360]

約数ペア:

[(1, 393871360), (2, 196935680), (4, 98467840), (5, 78774272), (8, 49233920), (10, 39387136), (16, 24616960), (20, 19693568), (32, 12308480), (40, 9846784), (64, 6154240), (80, 4923392), (128, 3077120), (160, 2461696), (256, 1538560), (320, 1230848), (512, 769280), (601, 655360), (640, 615424), (1024, 384640), (1202, 327680), (1280, 307712), (2048, 192320), (2404, 163840), (2560, 153856), (3005, 131072), (4096, 96160), (4808, 81920), (5120, 76928), (6010, 65536), (8192, 48080), (9616, 40960), (10240, 38464), (12020, 32768), (16384, 24040), (19232, 20480)]