394077840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{126307}}^1$

素因数の和:126336

約数の個数: 80

約数和(自身を含む): 1315624128

約数和(自身を除く): 921546288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 126307, 252614, 378921, 505228, 631535, 757842, 1010456, 1263070, 1515684, 1641991, 1894605, 2020912, 2526140, 3031368, 3283982, 3789210, 4925973, 5052280, 6062736, 6567964, 7578420, 8209955, 9851946, 10104560, 13135928, 15156840, 16419910, 19703892, 24629865, 26271856, 30313680, 32839820, 39407784, 49259730, 65679640, 78815568, 98519460, 131359280, 197038920, 394077840]

約数ペア:

[(1, 394077840), (2, 197038920), (3, 131359280), (4, 98519460), (5, 78815568), (6, 65679640), (8, 49259730), (10, 39407784), (12, 32839820), (13, 30313680), (15, 26271856), (16, 24629865), (20, 19703892), (24, 16419910), (26, 15156840), (30, 13135928), (39, 10104560), (40, 9851946), (48, 8209955), (52, 7578420), (60, 6567964), (65, 6062736), (78, 5052280), (80, 4925973), (104, 3789210), (120, 3283982), (130, 3031368), (156, 2526140), (195, 2020912), (208, 1894605), (240, 1641991), (260, 1515684), (312, 1263070), (390, 1010456), (520, 757842), (624, 631535), (780, 505228), (1040, 378921), (1560, 252614), (3120, 126307)]