398090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1$

素因数の和:83

約数の個数: 48

約数和(自身を含む): 919296

約数和(自身を除く): 521206

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 47, 55, 70, 77, 94, 110, 121, 154, 235, 242, 329, 385, 470, 517, 605, 658, 770, 847, 1034, 1210, 1645, 1694, 2585, 3290, 3619, 4235, 5170, 5687, 7238, 8470, 11374, 18095, 28435, 36190, 39809, 56870, 79618, 199045, 398090]

約数ペア:

[(1, 398090), (2, 199045), (5, 79618), (7, 56870), (10, 39809), (11, 36190), (14, 28435), (22, 18095), (35, 11374), (47, 8470), (55, 7238), (70, 5687), (77, 5170), (94, 4235), (110, 3619), (121, 3290), (154, 2585), (235, 1694), (242, 1645), (329, 1210), (385, 1034), (470, 847), (517, 770), (605, 658)]