317954240

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4993}}^1$

素因数の和:5209

約数の個数: 56

約数和(自身を含む): 761085600

約数和(自身を除く): 443131360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 320, 398, 796, 995, 1592, 1990, 3184, 3980, 4993, 6368, 7960, 9986, 12736, 15920, 19972, 24965, 31840, 39944, 49930, 63680, 79888, 99860, 159776, 199720, 319552, 399440, 798880, 993607, 1597760, 1987214, 3974428, 4968035, 7948856, 9936070, 15897712, 19872140, 31795424, 39744280, 63590848, 79488560, 158977120, 317954240]

約数ペア:

[(1, 317954240), (2, 158977120), (4, 79488560), (5, 63590848), (8, 39744280), (10, 31795424), (16, 19872140), (20, 15897712), (32, 9936070), (40, 7948856), (64, 4968035), (80, 3974428), (160, 1987214), (199, 1597760), (320, 993607), (398, 798880), (796, 399440), (995, 319552), (1592, 199720), (1990, 159776), (3184, 99860), (3980, 79888), (4993, 63680), (6368, 49930), (7960, 39944), (9986, 31840), (12736, 24965), (15920, 19972)]