1003520

素因数分解:

$2^{12}\times 5^1\times 7^2$

素因数の和:43

約数の個数: 78

約数和(自身を含む): 2801322

約数和(自身を除く): 1797802

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1024, 1120, 1280, 1568, 1792, 1960, 2048, 2240, 2560, 3136, 3584, 3920, 4096, 4480, 5120, 6272, 7168, 7840, 8960, 10240, 12544, 14336, 15680, 17920, 20480, 25088, 28672, 31360, 35840, 50176, 62720, 71680, 100352, 125440, 143360, 200704, 250880, 501760, 1003520]

約数ペア:

[(1, 1003520), (2, 501760), (4, 250880), (5, 200704), (7, 143360), (8, 125440), (10, 100352), (14, 71680), (16, 62720), (20, 50176), (28, 35840), (32, 31360), (35, 28672), (40, 25088), (49, 20480), (56, 17920), (64, 15680), (70, 14336), (80, 12544), (98, 10240), (112, 8960), (128, 7840), (140, 7168), (160, 6272), (196, 5120), (224, 4480), (245, 4096), (256, 3920), (280, 3584), (320, 3136), (392, 2560), (448, 2240), (490, 2048), (512, 1960), (560, 1792), (640, 1568), (784, 1280), (896, 1120), (980, 1024)]