26978420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{27529}}^1$

素因数の和:27552

約数の個数: 36

約数和(自身を含む): 65906820

約数和(自身を除く): 38928400

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 27529, 55058, 110116, 137645, 192703, 275290, 385406, 550580, 770812, 963515, 1348921, 1927030, 2697842, 3854060, 5395684, 6744605, 13489210, 26978420]

約数ペア:

[(1, 26978420), (2, 13489210), (4, 6744605), (5, 5395684), (7, 3854060), (10, 2697842), (14, 1927030), (20, 1348921), (28, 963515), (35, 770812), (49, 550580), (70, 385406), (98, 275290), (140, 192703), (196, 137645), (245, 110116), (490, 55058), (980, 27529)]