404009984

素因数分解:

$2^{10}\times 7^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:543

約数の個数: 88

約数和(自身を含む): 931466880

約数和(自身を除く): 527456896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 157, 224, 256, 314, 359, 448, 512, 628, 718, 896, 1024, 1099, 1256, 1436, 1792, 2198, 2512, 2513, 2872, 3584, 4396, 5024, 5026, 5744, 7168, 8792, 10048, 10052, 11488, 17584, 20096, 20104, 22976, 35168, 40192, 40208, 45952, 56363, 70336, 80384, 80416, 91904, 112726, 140672, 160768, 160832, 183808, 225452, 281344, 321664, 367616, 394541, 450904, 562688, 643328, 789082, 901808, 1125376, 1286656, 1578164, 1803616, 2573312, 3156328, 3607232, 6312656, 7214464, 12625312, 14428928, 25250624, 28857856, 50501248, 57715712, 101002496, 202004992, 404009984]

約数ペア:

[(1, 404009984), (2, 202004992), (4, 101002496), (7, 57715712), (8, 50501248), (14, 28857856), (16, 25250624), (28, 14428928), (32, 12625312), (56, 7214464), (64, 6312656), (112, 3607232), (128, 3156328), (157, 2573312), (224, 1803616), (256, 1578164), (314, 1286656), (359, 1125376), (448, 901808), (512, 789082), (628, 643328), (718, 562688), (896, 450904), (1024, 394541), (1099, 367616), (1256, 321664), (1436, 281344), (1792, 225452), (2198, 183808), (2512, 160832), (2513, 160768), (2872, 140672), (3584, 112726), (4396, 91904), (5024, 80416), (5026, 80384), (5744, 70336), (7168, 56363), (8792, 45952), (10048, 40208), (10052, 40192), (11488, 35168), (17584, 22976), (20096, 20104)]