378495140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1113221}}^1$

素因数の和:1113247

約数の個数: 24

約数和(自身を含む): 841595832

約数和(自身を除く): 463100692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1113221, 2226442, 4452884, 5566105, 11132210, 18924757, 22264420, 37849514, 75699028, 94623785, 189247570, 378495140]

約数ペア:

[(1, 378495140), (2, 189247570), (4, 94623785), (5, 75699028), (10, 37849514), (17, 22264420), (20, 18924757), (34, 11132210), (68, 5566105), (85, 4452884), (170, 2226442), (340, 1113221)]