179790740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{5099}}^1$

素因数の和:5192

約数の個数: 48

約数和(自身を含む): 395841600

約数和(自身を除く): 216050860

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 3526, 5099, 7052, 8815, 10198, 17630, 20396, 25495, 35260, 50990, 101980, 209059, 219257, 418118, 438514, 836236, 877028, 1045295, 1096285, 2090590, 2192570, 4181180, 4385140, 8989537, 17979074, 35958148, 44947685, 89895370, 179790740]

約数ペア:

[(1, 179790740), (2, 89895370), (4, 44947685), (5, 35958148), (10, 17979074), (20, 8989537), (41, 4385140), (43, 4181180), (82, 2192570), (86, 2090590), (164, 1096285), (172, 1045295), (205, 877028), (215, 836236), (410, 438514), (430, 418118), (820, 219257), (860, 209059), (1763, 101980), (3526, 50990), (5099, 35260), (7052, 25495), (8815, 20396), (10198, 17630)]