42758980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17669}}^1$

素因数の和:17700

約数の個数: 36

約数和(自身を含む): 98704620

約数和(自身を除く): 55945640

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 17669, 35338, 70676, 88345, 176690, 194359, 353380, 388718, 777436, 971795, 1943590, 2137949, 3887180, 4275898, 8551796, 10689745, 21379490, 42758980]

約数ペア:

[(1, 42758980), (2, 21379490), (4, 10689745), (5, 8551796), (10, 4275898), (11, 3887180), (20, 2137949), (22, 1943590), (44, 971795), (55, 777436), (110, 388718), (121, 353380), (220, 194359), (242, 176690), (484, 88345), (605, 70676), (1210, 35338), (2420, 17669)]