813680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1453}}^1$

素因数の和:1473

約数の個数: 40

約数和(自身を含む): 2163552

約数和(自身を除く): 1349872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1453, 2906, 5812, 7265, 10171, 11624, 14530, 20342, 23248, 29060, 40684, 50855, 58120, 81368, 101710, 116240, 162736, 203420, 406840, 813680]

約数ペア:

[(1, 813680), (2, 406840), (4, 203420), (5, 162736), (7, 116240), (8, 101710), (10, 81368), (14, 58120), (16, 50855), (20, 40684), (28, 29060), (35, 23248), (40, 20342), (56, 14530), (70, 11624), (80, 10171), (112, 7265), (140, 5812), (280, 2906), (560, 1453)]