1249420

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 2646000

約数和(自身を除く): 1396580

約数列:

[1, 2, 4, 5, 10, 20, 179, 349, 358, 698, 716, 895, 1396, 1745, 1790, 3490, 3580, 6980, 62471, 124942, 249884, 312355, 624710, 1249420]

約数ペア:

[(1, 1249420), (2, 624710), (4, 312355), (5, 249884), (10, 124942), (20, 62471), (179, 6980), (349, 3580), (358, 3490), (698, 1790), (716, 1745), (895, 1396)]