423787280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{108109}}^1$

素因数の和:108136

約数の個数: 60

約数和(自身を含む): 1146182220

約数和(自身を除く): 722394940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 108109, 216218, 432436, 540545, 756763, 864872, 1081090, 1513526, 1729744, 2162180, 3027052, 3783815, 4324360, 5297341, 6054104, 7567630, 8648720, 10594682, 12108208, 15135260, 21189364, 26486705, 30270520, 42378728, 52973410, 60541040, 84757456, 105946820, 211893640, 423787280]

約数ペア:

[(1, 423787280), (2, 211893640), (4, 105946820), (5, 84757456), (7, 60541040), (8, 52973410), (10, 42378728), (14, 30270520), (16, 26486705), (20, 21189364), (28, 15135260), (35, 12108208), (40, 10594682), (49, 8648720), (56, 7567630), (70, 6054104), (80, 5297341), (98, 4324360), (112, 3783815), (140, 3027052), (196, 2162180), (245, 1729744), (280, 1513526), (392, 1081090), (490, 864872), (560, 756763), (784, 540545), (980, 432436), (1960, 216218), (3920, 108109)]