28041230

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:753

約数の個数: 48

約数和(自身を含む): 59466960

約数和(自身を除く): 31425730

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 89, 98, 178, 245, 445, 490, 623, 643, 890, 1246, 1286, 3115, 3215, 4361, 4501, 6230, 6430, 8722, 9002, 21805, 22505, 31507, 43610, 45010, 57227, 63014, 114454, 157535, 286135, 315070, 400589, 572270, 801178, 2002945, 2804123, 4005890, 5608246, 14020615, 28041230]

約数ペア:

[(1, 28041230), (2, 14020615), (5, 5608246), (7, 4005890), (10, 2804123), (14, 2002945), (35, 801178), (49, 572270), (70, 400589), (89, 315070), (98, 286135), (178, 157535), (245, 114454), (445, 63014), (490, 57227), (623, 45010), (643, 43610), (890, 31507), (1246, 22505), (1286, 21805), (3115, 9002), (3215, 8722), (4361, 6430), (4501, 6230)]