68870290190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{239}}^1\times {\mathrm{170509}}^1$

素因数の和:170781

約数の個数: 48

約数和(自身を含む): 134798385600

約数和(自身を除く): 65928095410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 239, 338, 478, 845, 1195, 1690, 2390, 3107, 6214, 15535, 31070, 40391, 80782, 170509, 201955, 341018, 403910, 852545, 1705090, 2216617, 4433234, 11083085, 22166170, 28816021, 40751651, 57632042, 81503302, 144080105, 203758255, 288160210, 407516510, 529771463, 1059542926, 2648857315, 5297714630, 6887029019, 13774058038, 34435145095, 68870290190]

約数ペア:

[(1, 68870290190), (2, 34435145095), (5, 13774058038), (10, 6887029019), (13, 5297714630), (26, 2648857315), (65, 1059542926), (130, 529771463), (169, 407516510), (239, 288160210), (338, 203758255), (478, 144080105), (845, 81503302), (1195, 57632042), (1690, 40751651), (2390, 28816021), (3107, 22166170), (6214, 11083085), (15535, 4433234), (31070, 2216617), (40391, 1705090), (80782, 852545), (170509, 403910), (201955, 341018)]