1261097810

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{337}}^1\times {\mathrm{1091}}^1$

素因数の和:1456

約数の個数: 64

約数和(自身を含む): 2657491200

約数和(自身を除く): 1396393390

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 337, 343, 490, 674, 686, 1091, 1685, 1715, 2182, 2359, 3370, 3430, 4718, 5455, 7637, 10910, 11795, 15274, 16513, 23590, 33026, 38185, 53459, 76370, 82565, 106918, 115591, 165130, 231182, 267295, 367667, 374213, 534590, 577955, 735334, 748426, 1155910, 1838335, 1871065, 2573669, 3676670, 3742130, 5147338, 12868345, 18015683, 25736690, 36031366, 90078415, 126109781, 180156830, 252219562, 630548905, 1261097810]

約数ペア:

[(1, 1261097810), (2, 630548905), (5, 252219562), (7, 180156830), (10, 126109781), (14, 90078415), (35, 36031366), (49, 25736690), (70, 18015683), (98, 12868345), (245, 5147338), (337, 3742130), (343, 3676670), (490, 2573669), (674, 1871065), (686, 1838335), (1091, 1155910), (1685, 748426), (1715, 735334), (2182, 577955), (2359, 534590), (3370, 374213), (3430, 367667), (4718, 267295), (5455, 231182), (7637, 165130), (10910, 115591), (11795, 106918), (15274, 82565), (16513, 76370), (23590, 53459), (33026, 38185)]