28154810

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 51874560

約数和(自身を除く): 23719750

約数列:

[1, 2, 5, 10, 79, 157, 158, 227, 314, 395, 454, 785, 790, 1135, 1570, 2270, 12403, 17933, 24806, 35639, 35866, 62015, 71278, 89665, 124030, 178195, 179330, 356390, 2815481, 5630962, 14077405, 28154810]

約数ペア:

[(1, 28154810), (2, 14077405), (5, 5630962), (10, 2815481), (79, 356390), (157, 179330), (158, 178195), (227, 124030), (314, 89665), (395, 71278), (454, 62015), (785, 35866), (790, 35639), (1135, 24806), (1570, 17933), (2270, 12403)]