129211060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 301644000

約数和(自身を除く): 172432940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 121, 214, 220, 242, 428, 484, 499, 535, 605, 998, 1070, 1177, 1210, 1996, 2140, 2354, 2420, 2495, 4708, 4990, 5489, 5885, 9980, 10978, 11770, 12947, 21956, 23540, 25894, 27445, 51788, 53393, 54890, 60379, 64735, 106786, 109780, 120758, 129470, 213572, 241516, 258940, 266965, 301895, 533930, 587323, 603790, 1067860, 1174646, 1207580, 2349292, 2936615, 5873230, 6460553, 11746460, 12921106, 25842212, 32302765, 64605530, 129211060]

約数ペア:

[(1, 129211060), (2, 64605530), (4, 32302765), (5, 25842212), (10, 12921106), (11, 11746460), (20, 6460553), (22, 5873230), (44, 2936615), (55, 2349292), (107, 1207580), (110, 1174646), (121, 1067860), (214, 603790), (220, 587323), (242, 533930), (428, 301895), (484, 266965), (499, 258940), (535, 241516), (605, 213572), (998, 129470), (1070, 120758), (1177, 109780), (1210, 106786), (1996, 64735), (2140, 60379), (2354, 54890), (2420, 53393), (2495, 51788), (4708, 27445), (4990, 25894), (5489, 23540), (5885, 21956), (9980, 12947), (10978, 11770)]