219392080

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{7639}}^1$

素因数の和:8011

約数の個数: 40

約数和(自身を含む): 511574400

約数和(自身を除く): 292182320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 718, 1436, 1795, 2872, 3590, 5744, 7180, 7639, 14360, 15278, 28720, 30556, 38195, 61112, 76390, 122224, 152780, 305560, 611120, 2742401, 5484802, 10969604, 13712005, 21939208, 27424010, 43878416, 54848020, 109696040, 219392080]

約数ペア:

[(1, 219392080), (2, 109696040), (4, 54848020), (5, 43878416), (8, 27424010), (10, 21939208), (16, 13712005), (20, 10969604), (40, 5484802), (80, 2742401), (359, 611120), (718, 305560), (1436, 152780), (1795, 122224), (2872, 76390), (3590, 61112), (5744, 38195), (7180, 30556), (7639, 28720), (14360, 15278)]