138261830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{282167}}^1$

素因数の和:282188

約数の個数: 24

約数和(自身を含む): 289504368

約数和(自身を除く): 151242538

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 282167, 564334, 1410835, 1975169, 2821670, 3950338, 9875845, 13826183, 19751690, 27652366, 69130915, 138261830]

約数ペア:

[(1, 138261830), (2, 69130915), (5, 27652366), (7, 19751690), (10, 13826183), (14, 9875845), (35, 3950338), (49, 2821670), (70, 1975169), (98, 1410835), (245, 564334), (490, 282167)]