171808240

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{13679}}^1$

素因数の和:13849

約数の個数: 40

約数和(自身を含む): 402027840

約数和(自身を除く): 230219600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 13679, 27358, 54716, 68395, 109432, 136790, 218864, 273580, 547160, 1094320, 2147603, 4295206, 8590412, 10738015, 17180824, 21476030, 34361648, 42952060, 85904120, 171808240]

約数ペア:

[(1, 171808240), (2, 85904120), (4, 42952060), (5, 34361648), (8, 21476030), (10, 17180824), (16, 10738015), (20, 8590412), (40, 4295206), (80, 2147603), (157, 1094320), (314, 547160), (628, 273580), (785, 218864), (1256, 136790), (1570, 109432), (2512, 68395), (3140, 54716), (6280, 27358), (12560, 13679)]