308888560

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{35423}}^1$

素因数の和:35545

約数の個数: 40

約数和(自身を含む): 724775040

約数和(自身を除く): 415886480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 35423, 70846, 141692, 177115, 283384, 354230, 566768, 708460, 1416920, 2833840, 3861107, 7722214, 15444428, 19305535, 30888856, 38611070, 61777712, 77222140, 154444280, 308888560]

約数ペア:

[(1, 308888560), (2, 154444280), (4, 77222140), (5, 61777712), (8, 38611070), (10, 30888856), (16, 19305535), (20, 15444428), (40, 7722214), (80, 3861107), (109, 2833840), (218, 1416920), (436, 708460), (545, 566768), (872, 354230), (1090, 283384), (1744, 177115), (2180, 141692), (4360, 70846), (8720, 35423)]