245393008

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{20101}}^1$

素因数の和:20225

約数の個数: 40

約数和(自身を含む): 548382560

約数和(自身を除く): 302989552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1526, 1744, 3052, 6104, 12208, 20101, 40202, 80404, 140707, 160808, 281414, 321616, 562828, 1125656, 2191009, 2251312, 4382018, 8764036, 15337063, 17528072, 30674126, 35056144, 61348252, 122696504, 245393008]

約数ペア:

[(1, 245393008), (2, 122696504), (4, 61348252), (7, 35056144), (8, 30674126), (14, 17528072), (16, 15337063), (28, 8764036), (56, 4382018), (109, 2251312), (112, 2191009), (218, 1125656), (436, 562828), (763, 321616), (872, 281414), (1526, 160808), (1744, 140707), (3052, 80404), (6104, 40202), (12208, 20101)]