245655460

素因数分解:

$2^2\times 5^1\times {\mathrm{2693}}^1\times {\mathrm{4561}}^1$

素因数の和:7263

約数の個数: 24

約数和(自身を含む): 516181176

約数和(自身を除く): 270525716

約数列:

[1, 2, 4, 5, 10, 20, 2693, 4561, 5386, 9122, 10772, 13465, 18244, 22805, 26930, 45610, 53860, 91220, 12282773, 24565546, 49131092, 61413865, 122827730, 245655460]

約数ペア:

[(1, 245655460), (2, 122827730), (4, 61413865), (5, 49131092), (10, 24565546), (20, 12282773), (2693, 91220), (4561, 53860), (5386, 45610), (9122, 26930), (10772, 22805), (13465, 18244)]