290178160

素因数分解:

$2^4\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{2549}}^1$

素因数の和:3985

約数の個数: 40

約数和(自身を含む): 675403200

約数和(自身を除く): 385225040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1423, 2549, 2846, 5098, 5692, 7115, 10196, 11384, 12745, 14230, 20392, 22768, 25490, 28460, 40784, 50980, 56920, 101960, 113840, 203920, 3627227, 7254454, 14508908, 18136135, 29017816, 36272270, 58035632, 72544540, 145089080, 290178160]

約数ペア:

[(1, 290178160), (2, 145089080), (4, 72544540), (5, 58035632), (8, 36272270), (10, 29017816), (16, 18136135), (20, 14508908), (40, 7254454), (80, 3627227), (1423, 203920), (2549, 113840), (2846, 101960), (5098, 56920), (5692, 50980), (7115, 40784), (10196, 28460), (11384, 25490), (12745, 22768), (14230, 20392)]