1940008

素因数分解:

$2^3\times 7^4\times {\mathrm{101}}^1$

素因数の和:135

約数の個数: 40

約数和(自身を含む): 4285530

約数和(自身を除く): 2345522

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 101, 196, 202, 343, 392, 404, 686, 707, 808, 1372, 1414, 2401, 2744, 2828, 4802, 4949, 5656, 9604, 9898, 19208, 19796, 34643, 39592, 69286, 138572, 242501, 277144, 485002, 970004, 1940008]

約数ペア:

[(1, 1940008), (2, 970004), (4, 485002), (7, 277144), (8, 242501), (14, 138572), (28, 69286), (49, 39592), (56, 34643), (98, 19796), (101, 19208), (196, 9898), (202, 9604), (343, 5656), (392, 4949), (404, 4802), (686, 2828), (707, 2744), (808, 2401), (1372, 1414)]