193885280

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{28181}}^1$

素因数の和:28239

約数の個数: 48

約数和(自身を含む): 468723024

約数和(自身を除く): 274837744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 28181, 56362, 112724, 140905, 225448, 281810, 450896, 563620, 901792, 1127240, 1211783, 2254480, 2423566, 4508960, 4847132, 6058915, 9694264, 12117830, 19388528, 24235660, 38777056, 48471320, 96942640, 193885280]

約数ペア:

[(1, 193885280), (2, 96942640), (4, 48471320), (5, 38777056), (8, 24235660), (10, 19388528), (16, 12117830), (20, 9694264), (32, 6058915), (40, 4847132), (43, 4508960), (80, 2423566), (86, 2254480), (160, 1211783), (172, 1127240), (215, 901792), (344, 563620), (430, 450896), (688, 281810), (860, 225448), (1376, 140905), (1720, 112724), (3440, 56362), (6880, 28181)]