133730420

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{17189}}^1$

素因数の和:17587

約数の個数: 24

約数和(自身を含む): 281572200

約数和(自身を除く): 147841780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 17189, 34378, 68756, 85945, 171890, 343780, 6686521, 13373042, 26746084, 33432605, 66865210, 133730420]

約数ペア:

[(1, 133730420), (2, 66865210), (4, 33432605), (5, 26746084), (10, 13373042), (20, 6686521), (389, 343780), (778, 171890), (1556, 85945), (1945, 68756), (3890, 34378), (7780, 17189)]