87542420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89329}}^1$

素因数の和:89352

約数の個数: 36

約数和(自身を含む): 213856020

約数和(自身を除く): 126313600

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 89329, 178658, 357316, 446645, 625303, 893290, 1250606, 1786580, 2501212, 3126515, 4377121, 6253030, 8754242, 12506060, 17508484, 21885605, 43771210, 87542420]

約数ペア:

[(1, 87542420), (2, 43771210), (4, 21885605), (5, 17508484), (7, 12506060), (10, 8754242), (14, 6253030), (20, 4377121), (28, 3126515), (35, 2501212), (49, 1786580), (70, 1250606), (98, 893290), (140, 625303), (196, 446645), (245, 357316), (490, 178658), (980, 89329)]