129487900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{44651}}^1$

素因数の和:44694

約数の個数: 36

約数和(自身を含む): 290684520

約数和(自身を除く): 161196620

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 44651, 89302, 178604, 223255, 446510, 893020, 1116275, 1294879, 2232550, 2589758, 4465100, 5179516, 6474395, 12948790, 25897580, 32371975, 64743950, 129487900]

約数ペア:

[(1, 129487900), (2, 64743950), (4, 32371975), (5, 25897580), (10, 12948790), (20, 6474395), (25, 5179516), (29, 4465100), (50, 2589758), (58, 2232550), (100, 1294879), (116, 1116275), (145, 893020), (290, 446510), (580, 223255), (725, 178604), (1450, 89302), (2900, 44651)]