254436590

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1\times {\mathrm{1051}}^1$

素因数の和:1664

約数の個数: 32

約数和(自身を含む): 469915776

約数和(自身を除く): 215479186

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 563, 1051, 1126, 2102, 2815, 5255, 5630, 10510, 24209, 45193, 48418, 90386, 121045, 225965, 242090, 451930, 591713, 1183426, 2958565, 5917130, 25443659, 50887318, 127218295, 254436590]

約数ペア:

[(1, 254436590), (2, 127218295), (5, 50887318), (10, 25443659), (43, 5917130), (86, 2958565), (215, 1183426), (430, 591713), (563, 451930), (1051, 242090), (1126, 225965), (2102, 121045), (2815, 90386), (5255, 48418), (5630, 45193), (10510, 24209)]