17921260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{18287}}^1$

素因数の和:18310

約数の個数: 36

約数和(自身を含む): 43781472

約数和(自身を除く): 25860212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 18287, 36574, 73148, 91435, 128009, 182870, 256018, 365740, 512036, 640045, 896063, 1280090, 1792126, 2560180, 3584252, 4480315, 8960630, 17921260]

約数ペア:

[(1, 17921260), (2, 8960630), (4, 4480315), (5, 3584252), (7, 2560180), (10, 1792126), (14, 1280090), (20, 896063), (28, 640045), (35, 512036), (49, 365740), (70, 256018), (98, 182870), (140, 128009), (196, 91435), (245, 73148), (490, 36574), (980, 18287)]