157312700

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{19913}}^1$

素因数の和:20006

約数の個数: 36

約数和(自身を含む): 345707040

約数和(自身を除く): 188394340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 7900, 19913, 39826, 79652, 99565, 199130, 398260, 497825, 995650, 1573127, 1991300, 3146254, 6292508, 7865635, 15731270, 31462540, 39328175, 78656350, 157312700]

約数ペア:

[(1, 157312700), (2, 78656350), (4, 39328175), (5, 31462540), (10, 15731270), (20, 7865635), (25, 6292508), (50, 3146254), (79, 1991300), (100, 1573127), (158, 995650), (316, 497825), (395, 398260), (790, 199130), (1580, 99565), (1975, 79652), (3950, 39826), (7900, 19913)]