189498880

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^1\times {\mathrm{937}}^1$

素因数の和:1039

約数の個数: 80

約数和(自身を含む): 460595520

約数和(自身を除く): 271096640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 512, 632, 640, 790, 937, 1264, 1280, 1580, 1874, 2528, 2560, 3160, 3748, 4685, 5056, 6320, 7496, 9370, 10112, 12640, 14992, 18740, 20224, 25280, 29984, 37480, 40448, 50560, 59968, 74023, 74960, 101120, 119936, 148046, 149920, 202240, 239872, 296092, 299840, 370115, 479744, 592184, 599680, 740230, 1184368, 1199360, 1480460, 2368736, 2398720, 2960920, 4737472, 5921840, 9474944, 11843680, 18949888, 23687360, 37899776, 47374720, 94749440, 189498880]

約数ペア:

[(1, 189498880), (2, 94749440), (4, 47374720), (5, 37899776), (8, 23687360), (10, 18949888), (16, 11843680), (20, 9474944), (32, 5921840), (40, 4737472), (64, 2960920), (79, 2398720), (80, 2368736), (128, 1480460), (158, 1199360), (160, 1184368), (256, 740230), (316, 599680), (320, 592184), (395, 479744), (512, 370115), (632, 299840), (640, 296092), (790, 239872), (937, 202240), (1264, 149920), (1280, 148046), (1580, 119936), (1874, 101120), (2528, 74960), (2560, 74023), (3160, 59968), (3748, 50560), (4685, 40448), (5056, 37480), (6320, 29984), (7496, 25280), (9370, 20224), (10112, 18740), (12640, 14992)]