157446920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{929}}^1$

素因数の和:1182

約数の個数: 64

約数和(自身を含む): 374976000

約数和(自身を除く): 217529080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 223, 380, 446, 760, 892, 929, 1115, 1784, 1858, 2230, 3716, 4237, 4460, 4645, 7432, 8474, 8920, 9290, 16948, 17651, 18580, 21185, 33896, 35302, 37160, 42370, 70604, 84740, 88255, 141208, 169480, 176510, 207167, 353020, 414334, 706040, 828668, 1035835, 1657336, 2071670, 3936173, 4143340, 7872346, 8286680, 15744692, 19680865, 31489384, 39361730, 78723460, 157446920]

約数ペア:

[(1, 157446920), (2, 78723460), (4, 39361730), (5, 31489384), (8, 19680865), (10, 15744692), (19, 8286680), (20, 7872346), (38, 4143340), (40, 3936173), (76, 2071670), (95, 1657336), (152, 1035835), (190, 828668), (223, 706040), (380, 414334), (446, 353020), (760, 207167), (892, 176510), (929, 169480), (1115, 141208), (1784, 88255), (1858, 84740), (2230, 70604), (3716, 42370), (4237, 37160), (4460, 35302), (4645, 33896), (7432, 21185), (8474, 18580), (8920, 17651), (9290, 16948)]