28189400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{8291}}^1$

素因数の和:8324

約数の個数: 48

約数和(自身を含む): 69404040

約数和(自身を除く): 41214640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 8291, 16582, 33164, 41455, 66328, 82910, 140947, 165820, 207275, 281894, 331640, 414550, 563788, 704735, 829100, 1127576, 1409470, 1658200, 2818940, 3523675, 5637880, 7047350, 14094700, 28189400]

約数ペア:

[(1, 28189400), (2, 14094700), (4, 7047350), (5, 5637880), (8, 3523675), (10, 2818940), (17, 1658200), (20, 1409470), (25, 1127576), (34, 829100), (40, 704735), (50, 563788), (68, 414550), (85, 331640), (100, 281894), (136, 207275), (170, 165820), (200, 140947), (340, 82910), (425, 66328), (680, 41455), (850, 33164), (1700, 16582), (3400, 8291)]