720091390

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{5413}}^1$

素因数の和:5724

約数の個数: 32

約数和(自身を含む): 1326126816

約数和(自身を除く): 606035426

約数列:

[1, 2, 5, 10, 53, 106, 251, 265, 502, 530, 1255, 2510, 5413, 10826, 13303, 26606, 27065, 54130, 66515, 133030, 286889, 573778, 1358663, 1434445, 2717326, 2868890, 6793315, 13586630, 72009139, 144018278, 360045695, 720091390]

約数ペア:

[(1, 720091390), (2, 360045695), (5, 144018278), (10, 72009139), (53, 13586630), (106, 6793315), (251, 2868890), (265, 2717326), (502, 1434445), (530, 1358663), (1255, 573778), (2510, 286889), (5413, 133030), (10826, 66515), (13303, 54130), (26606, 27065)]