81452420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{3853}}^1$

素因数の和:4020

約数の個数: 48

約数和(自身を含む): 196831488

約数和(自身を除く): 115379068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 1057, 1510, 2114, 3020, 3853, 4228, 5285, 7706, 10570, 15412, 19265, 21140, 26971, 38530, 53942, 77060, 107884, 134855, 269710, 539420, 581803, 1163606, 2327212, 2909015, 4072621, 5818030, 8145242, 11636060, 16290484, 20363105, 40726210, 81452420]

約数ペア:

[(1, 81452420), (2, 40726210), (4, 20363105), (5, 16290484), (7, 11636060), (10, 8145242), (14, 5818030), (20, 4072621), (28, 2909015), (35, 2327212), (70, 1163606), (140, 581803), (151, 539420), (302, 269710), (604, 134855), (755, 107884), (1057, 77060), (1510, 53942), (2114, 38530), (3020, 26971), (3853, 21140), (4228, 19265), (5285, 15412), (7706, 10570)]