69671420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38281}}^1$

素因数の和:38310

約数の個数: 48

約数和(自身を含む): 180078528

約数和(自身を除く): 110407108

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 38281, 76562, 153124, 191405, 267967, 382810, 497653, 535934, 765620, 995306, 1071868, 1339835, 1990612, 2488265, 2679670, 3483571, 4976530, 5359340, 6967142, 9953060, 13934284, 17417855, 34835710, 69671420]

約数ペア:

[(1, 69671420), (2, 34835710), (4, 17417855), (5, 13934284), (7, 9953060), (10, 6967142), (13, 5359340), (14, 4976530), (20, 3483571), (26, 2679670), (28, 2488265), (35, 1990612), (52, 1339835), (65, 1071868), (70, 995306), (91, 765620), (130, 535934), (140, 497653), (182, 382810), (260, 267967), (364, 191405), (455, 153124), (910, 76562), (1820, 38281)]