280420235

素因数分解:

$5^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{3331}}^1$

素因数の和:3598

約数の個数: 16

約数和(自身を含む): 341863200

約数和(自身を除く): 61442965

約数列:

[1, 5, 113, 149, 565, 745, 3331, 16655, 16837, 84185, 376403, 496319, 1882015, 2481595, 56084047, 280420235]

約数ペア:

[(1, 280420235), (5, 56084047), (113, 2481595), (149, 1882015), (565, 496319), (745, 376403), (3331, 84185), (16655, 16837)]