203409920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{11351}}^1$

素因数の和:11381

約数の個数: 80

約数和(自身を含む): 557428608

約数和(自身を除く): 354018688

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, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 11351, 17920, 22702, 45404, 56755, 79457, 90808, 113510, 158914, 181616, 227020, 317828, 363232, 397285, 454040, 635656, 726464, 794570, 908080, 1271312, 1452928, 1589140, 1816160, 2542624, 2905856, 3178280, 3632320, 5085248, 5811712, 6356560, 7264640, 10170496, 12713120, 14529280, 20340992, 25426240, 29058560, 40681984, 50852480, 101704960, 203409920]

約数ペア:

[(1, 203409920), (2, 101704960), (4, 50852480), (5, 40681984), (7, 29058560), (8, 25426240), (10, 20340992), (14, 14529280), (16, 12713120), (20, 10170496), (28, 7264640), (32, 6356560), (35, 5811712), (40, 5085248), (56, 3632320), (64, 3178280), (70, 2905856), (80, 2542624), (112, 1816160), (128, 1589140), (140, 1452928), (160, 1271312), (224, 908080), (256, 794570), (280, 726464), (320, 635656), (448, 454040), (512, 397285), (560, 363232), (640, 317828), (896, 227020), (1120, 181616), (1280, 158914), (1792, 113510), (2240, 90808), (2560, 79457), (3584, 56755), (4480, 45404), (8960, 22702), (11351, 17920)]