30991300

素因数分解:

$2^2\times 5^2\times {\mathrm{479}}^1\times {\mathrm{647}}^1$

素因数の和:1140

約数の個数: 36

約数和(自身を含む): 67495680

約数和(自身を除く): 36504380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 479, 647, 958, 1294, 1916, 2395, 2588, 3235, 4790, 6470, 9580, 11975, 12940, 16175, 23950, 32350, 47900, 64700, 309913, 619826, 1239652, 1549565, 3099130, 6198260, 7747825, 15495650, 30991300]

約数ペア:

[(1, 30991300), (2, 15495650), (4, 7747825), (5, 6198260), (10, 3099130), (20, 1549565), (25, 1239652), (50, 619826), (100, 309913), (479, 64700), (647, 47900), (958, 32350), (1294, 23950), (1916, 16175), (2395, 12940), (2588, 11975), (3235, 9580), (4790, 6470)]