440090896

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{91381}}^1$

素因数の和:91439

約数の個数: 40

約数和(自身を含む): 997160384

約数和(自身を除く): 557069488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4816, 91381, 182762, 365524, 639667, 731048, 1279334, 1462096, 2558668, 3929383, 5117336, 7858766, 10234672, 15717532, 27505681, 31435064, 55011362, 62870128, 110022724, 220045448, 440090896]

約数ペア:

[(1, 440090896), (2, 220045448), (4, 110022724), (7, 62870128), (8, 55011362), (14, 31435064), (16, 27505681), (28, 15717532), (43, 10234672), (56, 7858766), (86, 5117336), (112, 3929383), (172, 2558668), (301, 1462096), (344, 1279334), (602, 731048), (688, 639667), (1204, 365524), (2408, 182762), (4816, 91381)]