400760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 926640

約数和(自身を除く): 525880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 233, 344, 430, 466, 860, 932, 1165, 1720, 1864, 2330, 4660, 9320, 10019, 20038, 40076, 50095, 80152, 100190, 200380, 400760]

約数ペア:

[(1, 400760), (2, 200380), (4, 100190), (5, 80152), (8, 50095), (10, 40076), (20, 20038), (40, 10019), (43, 9320), (86, 4660), (172, 2330), (215, 1864), (233, 1720), (344, 1165), (430, 932), (466, 860)]