280147222

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{947}}^1$

素因数の和:1140

約数の個数: 32

約数和(自身を含む): 450489600

約数和(自身を除く): 170342378

約数列:

[1, 2, 23, 46, 59, 109, 118, 218, 947, 1357, 1894, 2507, 2714, 5014, 6431, 12862, 21781, 43562, 55873, 103223, 111746, 147913, 206446, 295826, 1285079, 2374129, 2570158, 4748258, 6090157, 12180314, 140073611, 280147222]

約数ペア:

[(1, 280147222), (2, 140073611), (23, 12180314), (46, 6090157), (59, 4748258), (109, 2570158), (118, 2374129), (218, 1285079), (947, 295826), (1357, 206446), (1894, 147913), (2507, 111746), (2714, 103223), (5014, 55873), (6431, 43562), (12862, 21781)]