129312740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{222953}}^1$

素因数の和:222991

約数の個数: 24

約数和(自身を含む): 280922040

約数和(自身を除く): 151609300

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 222953, 445906, 891812, 1114765, 2229530, 4459060, 6465637, 12931274, 25862548, 32328185, 64656370, 129312740]

約数ペア:

[(1, 129312740), (2, 64656370), (4, 32328185), (5, 25862548), (10, 12931274), (20, 6465637), (29, 4459060), (58, 2229530), (116, 1114765), (145, 891812), (290, 445906), (580, 222953)]