278713120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{248851}}^1$

素因数の和:248873

約数の個数: 48

約数和(自身を含む): 752528448

約数和(自身を除く): 473815328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 248851, 497702, 995404, 1244255, 1741957, 1990808, 2488510, 3483914, 3981616, 4977020, 6967828, 7963232, 8709785, 9954040, 13935656, 17419570, 19908080, 27871312, 34839140, 39816160, 55742624, 69678280, 139356560, 278713120]

約数ペア:

[(1, 278713120), (2, 139356560), (4, 69678280), (5, 55742624), (7, 39816160), (8, 34839140), (10, 27871312), (14, 19908080), (16, 17419570), (20, 13935656), (28, 9954040), (32, 8709785), (35, 7963232), (40, 6967828), (56, 4977020), (70, 3981616), (80, 3483914), (112, 2488510), (140, 1990808), (160, 1741957), (224, 1244255), (280, 995404), (560, 497702), (1120, 248851)]