189939260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1356709}}^1$

素因数の和:1356725

約数の個数: 24

約数和(自身を含む): 455854560

約数和(自身を除く): 265915300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1356709, 2713418, 5426836, 6783545, 9496963, 13567090, 18993926, 27134180, 37987852, 47484815, 94969630, 189939260]

約数ペア:

[(1, 189939260), (2, 94969630), (4, 47484815), (5, 37987852), (7, 27134180), (10, 18993926), (14, 13567090), (20, 9496963), (28, 6783545), (35, 5426836), (70, 2713418), (140, 1356709)]