1285237170

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{291437}}^1$

素因数の和:291464

約数の個数: 72

約数和(自身を含む): 3887200044

約数和(自身を除く): 2601962874

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 291437, 582874, 874311, 1457185, 1748622, 2040059, 2622933, 2914370, 4080118, 4371555, 5245866, 6120177, 8743110, 10200295, 12240354, 13114665, 14280413, 18360531, 20400590, 26229330, 28560826, 30600885, 36721062, 42841239, 61201770, 71402065, 85682478, 91802655, 128523717, 142804130, 183605310, 214206195, 257047434, 428412390, 642618585, 1285237170]

約数ペア:

[(1, 1285237170), (2, 642618585), (3, 428412390), (5, 257047434), (6, 214206195), (7, 183605310), (9, 142804130), (10, 128523717), (14, 91802655), (15, 85682478), (18, 71402065), (21, 61201770), (30, 42841239), (35, 36721062), (42, 30600885), (45, 28560826), (49, 26229330), (63, 20400590), (70, 18360531), (90, 14280413), (98, 13114665), (105, 12240354), (126, 10200295), (147, 8743110), (210, 6120177), (245, 5245866), (294, 4371555), (315, 4080118), (441, 2914370), (490, 2622933), (630, 2040059), (735, 1748622), (882, 1457185), (1470, 874311), (2205, 582874), (4410, 291437)]