157220900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{36563}}^1$

素因数の和:36620

約数の個数: 36

約数和(自身を含む): 349113072

約数和(自身を除く): 191892172

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 36563, 73126, 146252, 182815, 365630, 731260, 914075, 1572209, 1828150, 3144418, 3656300, 6288836, 7861045, 15722090, 31444180, 39305225, 78610450, 157220900]

約数ペア:

[(1, 157220900), (2, 78610450), (4, 39305225), (5, 31444180), (10, 15722090), (20, 7861045), (25, 6288836), (43, 3656300), (50, 3144418), (86, 1828150), (100, 1572209), (172, 914075), (215, 731260), (430, 365630), (860, 182815), (1075, 146252), (2150, 73126), (4300, 36563)]