1949274460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13923389}}^1$

素因数の和:13923405

約数の個数: 24

約数和(自身を含む): 4678259040

約数和(自身を除く): 2728984580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 13923389, 27846778, 55693556, 69616945, 97463723, 139233890, 194927446, 278467780, 389854892, 487318615, 974637230, 1949274460]

約数ペア:

[(1, 1949274460), (2, 974637230), (4, 487318615), (5, 389854892), (7, 278467780), (10, 194927446), (14, 139233890), (20, 97463723), (28, 69616945), (35, 55693556), (70, 27846778), (140, 13923389)]