890667260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{21713}}^1$

素因数の和:22022

約数の個数: 48

約数和(自身を含む): 2144995776

約数和(自身を除く): 1254328516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 293, 586, 1172, 1465, 2051, 2930, 4102, 5860, 8204, 10255, 20510, 21713, 41020, 43426, 86852, 108565, 151991, 217130, 303982, 434260, 607964, 759955, 1519910, 3039820, 6361909, 12723818, 25447636, 31809545, 44533363, 63619090, 89066726, 127238180, 178133452, 222666815, 445333630, 890667260]

約数ペア:

[(1, 890667260), (2, 445333630), (4, 222666815), (5, 178133452), (7, 127238180), (10, 89066726), (14, 63619090), (20, 44533363), (28, 31809545), (35, 25447636), (70, 12723818), (140, 6361909), (293, 3039820), (586, 1519910), (1172, 759955), (1465, 607964), (2051, 434260), (2930, 303982), (4102, 217130), (5860, 151991), (8204, 108565), (10255, 86852), (20510, 43426), (21713, 41020)]