69670420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{204913}}^1$

素因数の和:204939

約数の個数: 24

約数和(自身を含む): 154914984

約数和(自身を除く): 85244564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 204913, 409826, 819652, 1024565, 2049130, 3483521, 4098260, 6967042, 13934084, 17417605, 34835210, 69670420]

約数ペア:

[(1, 69670420), (2, 34835210), (4, 17417605), (5, 13934084), (10, 6967042), (17, 4098260), (20, 3483521), (34, 2049130), (68, 1024565), (85, 819652), (170, 409826), (340, 204913)]