28644280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{102301}}^1$

素因数の和:102319

約数の個数: 32

約数和(自身を含む): 73657440

約数和(自身を除く): 45013160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 102301, 204602, 409204, 511505, 716107, 818408, 1023010, 1432214, 2046020, 2864428, 3580535, 4092040, 5728856, 7161070, 14322140, 28644280]

約数ペア:

[(1, 28644280), (2, 14322140), (4, 7161070), (5, 5728856), (7, 4092040), (8, 3580535), (10, 2864428), (14, 2046020), (20, 1432214), (28, 1023010), (35, 818408), (40, 716107), (56, 511505), (70, 409204), (140, 204602), (280, 102301)]