345040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:259

約数の個数: 40

約数和(自身を含む): 848160

約数和(自身を除く): 503120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 227, 304, 380, 454, 760, 908, 1135, 1520, 1816, 2270, 3632, 4313, 4540, 8626, 9080, 17252, 18160, 21565, 34504, 43130, 69008, 86260, 172520, 345040]

約数ペア:

[(1, 345040), (2, 172520), (4, 86260), (5, 69008), (8, 43130), (10, 34504), (16, 21565), (19, 18160), (20, 17252), (38, 9080), (40, 8626), (76, 4540), (80, 4313), (95, 3632), (152, 2270), (190, 1816), (227, 1520), (304, 1135), (380, 908), (454, 760)]