389785280

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{6121}}^1$

素因数の和:6337

約数の個数: 56

約数和(自身を含む): 932992800

約数和(自身を除く): 543207520

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, 6121, 6368, 7960, 12242, 12736, 15920, 24484, 30605, 31840, 48968, 61210, 63680, 97936, 122420, 195872, 244840, 391744, 489680, 979360, 1218079, 1958720, 2436158, 4872316, 6090395, 9744632, 12180790, 19489264, 24361580, 38978528, 48723160, 77957056, 97446320, 194892640, 389785280]

約数ペア:

[(1, 389785280), (2, 194892640), (4, 97446320), (5, 77957056), (8, 48723160), (10, 38978528), (16, 24361580), (20, 19489264), (32, 12180790), (40, 9744632), (64, 6090395), (80, 4872316), (160, 2436158), (199, 1958720), (320, 1218079), (398, 979360), (796, 489680), (995, 391744), (1592, 244840), (1990, 195872), (3184, 122420), (3980, 97936), (6121, 63680), (6368, 61210), (7960, 48968), (12242, 31840), (12736, 30605), (15920, 24484)]