871360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{389}}^1$

素因数の和:413

約数の個数: 56

約数和(自身を含む): 2377440

約数和(自身を除く): 1506080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 389, 448, 560, 778, 1120, 1556, 1945, 2240, 2723, 3112, 3890, 5446, 6224, 7780, 10892, 12448, 13615, 15560, 21784, 24896, 27230, 31120, 43568, 54460, 62240, 87136, 108920, 124480, 174272, 217840, 435680, 871360]

約数ペア:

[(1, 871360), (2, 435680), (4, 217840), (5, 174272), (7, 124480), (8, 108920), (10, 87136), (14, 62240), (16, 54460), (20, 43568), (28, 31120), (32, 27230), (35, 24896), (40, 21784), (56, 15560), (64, 13615), (70, 12448), (80, 10892), (112, 7780), (140, 6224), (160, 5446), (224, 3890), (280, 3112), (320, 2723), (389, 2240), (448, 1945), (560, 1556), (778, 1120)]