83489420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31387}}^1$

素因数の和:31422

約数の個数: 48

約数和(自身を含む): 210927360

約数和(自身を除く): 127437940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 31387, 62774, 125548, 156935, 219709, 313870, 439418, 596353, 627740, 878836, 1098545, 1192706, 2197090, 2385412, 2981765, 4174471, 4394180, 5963530, 8348942, 11927060, 16697884, 20872355, 41744710, 83489420]

約数ペア:

[(1, 83489420), (2, 41744710), (4, 20872355), (5, 16697884), (7, 11927060), (10, 8348942), (14, 5963530), (19, 4394180), (20, 4174471), (28, 2981765), (35, 2385412), (38, 2197090), (70, 1192706), (76, 1098545), (95, 878836), (133, 627740), (140, 596353), (190, 439418), (266, 313870), (380, 219709), (532, 156935), (665, 125548), (1330, 62774), (2660, 31387)]