254759680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{28433}}^1$

素因数の和:28461

約数の個数: 72

約数和(自身を含む): 697429152

約数和(自身を除く): 442669472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 28433, 56866, 113732, 142165, 199031, 227464, 284330, 398062, 454928, 568660, 796124, 909856, 995155, 1137320, 1592248, 1819712, 1990310, 2274640, 3184496, 3639424, 3980620, 4549280, 6368992, 7278848, 7961240, 9098560, 12737984, 15922480, 18197120, 25475968, 31844960, 36394240, 50951936, 63689920, 127379840, 254759680]

約数ペア:

[(1, 254759680), (2, 127379840), (4, 63689920), (5, 50951936), (7, 36394240), (8, 31844960), (10, 25475968), (14, 18197120), (16, 15922480), (20, 12737984), (28, 9098560), (32, 7961240), (35, 7278848), (40, 6368992), (56, 4549280), (64, 3980620), (70, 3639424), (80, 3184496), (112, 2274640), (128, 1990310), (140, 1819712), (160, 1592248), (224, 1137320), (256, 995155), (280, 909856), (320, 796124), (448, 568660), (560, 454928), (640, 398062), (896, 284330), (1120, 227464), (1280, 199031), (1792, 142165), (2240, 113732), (4480, 56866), (8960, 28433)]