99990910

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1831}}^1$

素因数の和:2008

約数の個数: 32

約数和(自身を含む): 185720832

約数和(自身を除く): 85729922

約数列:

[1, 2, 5, 10, 43, 86, 127, 215, 254, 430, 635, 1270, 1831, 3662, 5461, 9155, 10922, 18310, 27305, 54610, 78733, 157466, 232537, 393665, 465074, 787330, 1162685, 2325370, 9999091, 19998182, 49995455, 99990910]

約数ペア:

[(1, 99990910), (2, 49995455), (5, 19998182), (10, 9999091), (43, 2325370), (86, 1162685), (127, 787330), (215, 465074), (254, 393665), (430, 232537), (635, 157466), (1270, 78733), (1831, 54610), (3662, 27305), (5461, 18310), (9155, 10922)]