31170440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{111323}}^1$

素因数の和:111341

約数の個数: 32

約数和(自身を含む): 80153280

約数和(自身を除く): 48982840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 111323, 222646, 445292, 556615, 779261, 890584, 1113230, 1558522, 2226460, 3117044, 3896305, 4452920, 6234088, 7792610, 15585220, 31170440]

約数ペア:

[(1, 31170440), (2, 15585220), (4, 7792610), (5, 6234088), (7, 4452920), (8, 3896305), (10, 3117044), (14, 2226460), (20, 1558522), (28, 1113230), (35, 890584), (40, 779261), (56, 556615), (70, 445292), (140, 222646), (280, 111323)]