86779090

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:714

約数の個数: 32

約数和(自身を含む): 158760000

約数和(自身を除く): 71980910

約数列:

[1, 2, 5, 10, 139, 149, 278, 298, 419, 695, 745, 838, 1390, 1490, 2095, 4190, 20711, 41422, 58241, 62431, 103555, 116482, 124862, 207110, 291205, 312155, 582410, 624310, 8677909, 17355818, 43389545, 86779090]

約数ペア:

[(1, 86779090), (2, 43389545), (5, 17355818), (10, 8677909), (139, 624310), (149, 582410), (278, 312155), (298, 291205), (419, 207110), (695, 124862), (745, 116482), (838, 103555), (1390, 62431), (1490, 58241), (2095, 41422), (4190, 20711)]