389621650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{708403}}^1$

素因数の和:708426

約数の個数: 24

約数和(自身を含む): 790578864

約数和(自身を除く): 400957214

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 708403, 1416806, 3542015, 7084030, 7792433, 15584866, 17710075, 35420150, 38962165, 77924330, 194810825, 389621650]

約数ペア:

[(1, 389621650), (2, 194810825), (5, 77924330), (10, 38962165), (11, 35420150), (22, 17710075), (25, 15584866), (50, 7792433), (55, 7084030), (110, 3542015), (275, 1416806), (550, 708403)]