83988940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{85703}}^1$

素因数の和:85726

約数の個数: 36

約数和(自身を含む): 205175376

約数和(自身を除く): 121186436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 85703, 171406, 342812, 428515, 599921, 857030, 1199842, 1714060, 2399684, 2999605, 4199447, 5999210, 8398894, 11998420, 16797788, 20997235, 41994470, 83988940]

約数ペア:

[(1, 83988940), (2, 41994470), (4, 20997235), (5, 16797788), (7, 11998420), (10, 8398894), (14, 5999210), (20, 4199447), (28, 2999605), (35, 2399684), (49, 1714060), (70, 1199842), (98, 857030), (140, 599921), (196, 428515), (245, 342812), (490, 171406), (980, 85703)]