105428680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{376531}}^1$

素因数の和:376549

約数の個数: 32

約数和(自身を含む): 271103040

約数和(自身を除く): 165674360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 376531, 753062, 1506124, 1882655, 2635717, 3012248, 3765310, 5271434, 7530620, 10542868, 13178585, 15061240, 21085736, 26357170, 52714340, 105428680]

約数ペア:

[(1, 105428680), (2, 52714340), (4, 26357170), (5, 21085736), (7, 15061240), (8, 13178585), (10, 10542868), (14, 7530620), (20, 5271434), (28, 3765310), (35, 3012248), (40, 2635717), (56, 1882655), (70, 1506124), (140, 753062), (280, 376531)]