489976480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{62497}}^1$

素因数の和:62526

約数の個数: 72

約数和(自身を含む): 1346581908

約数和(自身を除く): 856605428

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 62497, 124994, 249988, 312485, 437479, 499976, 624970, 874958, 999952, 1249940, 1749916, 1999904, 2187395, 2499880, 3062353, 3499832, 4374790, 4999760, 6124706, 6999664, 8749580, 9999520, 12249412, 13999328, 15311765, 17499160, 24498824, 30623530, 34998320, 48997648, 61247060, 69996640, 97995296, 122494120, 244988240, 489976480]

約数ペア:

[(1, 489976480), (2, 244988240), (4, 122494120), (5, 97995296), (7, 69996640), (8, 61247060), (10, 48997648), (14, 34998320), (16, 30623530), (20, 24498824), (28, 17499160), (32, 15311765), (35, 13999328), (40, 12249412), (49, 9999520), (56, 8749580), (70, 6999664), (80, 6124706), (98, 4999760), (112, 4374790), (140, 3499832), (160, 3062353), (196, 2499880), (224, 2187395), (245, 1999904), (280, 1749916), (392, 1249940), (490, 999952), (560, 874958), (784, 624970), (980, 499976), (1120, 437479), (1568, 312485), (1960, 249988), (3920, 124994), (7840, 62497)]