338822140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{155423}}^1$

素因数の和:155541

約数の個数: 24

約数和(自身を含む): 718058880

約数和(自身を除く): 379236740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 155423, 310846, 621692, 777115, 1554230, 3108460, 16941107, 33882214, 67764428, 84705535, 169411070, 338822140]

約数ペア:

[(1, 338822140), (2, 169411070), (4, 84705535), (5, 67764428), (10, 33882214), (20, 16941107), (109, 3108460), (218, 1554230), (436, 777115), (545, 621692), (1090, 310846), (2180, 155423)]