7286780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 16151520

約数和(自身を除く): 8864740

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 229, 370, 430, 458, 740, 860, 916, 1145, 1591, 2290, 3182, 4580, 6364, 7955, 8473, 9847, 15910, 16946, 19694, 31820, 33892, 39388, 42365, 49235, 84730, 98470, 169460, 196940, 364339, 728678, 1457356, 1821695, 3643390, 7286780]

約数ペア:

[(1, 7286780), (2, 3643390), (4, 1821695), (5, 1457356), (10, 728678), (20, 364339), (37, 196940), (43, 169460), (74, 98470), (86, 84730), (148, 49235), (172, 42365), (185, 39388), (215, 33892), (229, 31820), (370, 19694), (430, 16946), (458, 15910), (740, 9847), (860, 8473), (916, 7955), (1145, 6364), (1591, 4580), (2290, 3182)]