201620440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{6991}}^1$

素因数の和:7112

約数の個数: 64

約数和(自身を含む): 523560960

約数和(自身を除く): 321940520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 140, 206, 280, 412, 515, 721, 824, 1030, 1442, 2060, 2884, 3605, 4120, 5768, 6991, 7210, 13982, 14420, 27964, 28840, 34955, 48937, 55928, 69910, 97874, 139820, 195748, 244685, 279640, 391496, 489370, 720073, 978740, 1440146, 1957480, 2880292, 3600365, 5040511, 5760584, 7200730, 10081022, 14401460, 20162044, 25202555, 28802920, 40324088, 50405110, 100810220, 201620440]

約数ペア:

[(1, 201620440), (2, 100810220), (4, 50405110), (5, 40324088), (7, 28802920), (8, 25202555), (10, 20162044), (14, 14401460), (20, 10081022), (28, 7200730), (35, 5760584), (40, 5040511), (56, 3600365), (70, 2880292), (103, 1957480), (140, 1440146), (206, 978740), (280, 720073), (412, 489370), (515, 391496), (721, 279640), (824, 244685), (1030, 195748), (1442, 139820), (2060, 97874), (2884, 69910), (3605, 55928), (4120, 48937), (5768, 34955), (6991, 28840), (7210, 27964), (13982, 14420)]