898814800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{172849}}^1$

素因数の和:172880

約数の個数: 60

約数和(自身を含む): 2325523900

約数和(自身を除く): 1426709100

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 172849, 345698, 691396, 864245, 1382792, 1728490, 2247037, 2765584, 3456980, 4321225, 4494074, 6913960, 8642450, 8988148, 11235185, 13827920, 17284900, 17976296, 22470370, 34569800, 35952592, 44940740, 56175925, 69139600, 89881480, 112351850, 179762960, 224703700, 449407400, 898814800]

約数ペア:

[(1, 898814800), (2, 449407400), (4, 224703700), (5, 179762960), (8, 112351850), (10, 89881480), (13, 69139600), (16, 56175925), (20, 44940740), (25, 35952592), (26, 34569800), (40, 22470370), (50, 17976296), (52, 17284900), (65, 13827920), (80, 11235185), (100, 8988148), (104, 8642450), (130, 6913960), (200, 4494074), (208, 4321225), (260, 3456980), (325, 2765584), (400, 2247037), (520, 1728490), (650, 1382792), (1040, 864245), (1300, 691396), (2600, 345698), (5200, 172849)]