78609400

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^2\times {\mathrm{743}}^1$

素因数の和:805

約数の個数: 72

約数和(自身を含む): 191315880

約数和(自身を除く): 112706480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 529, 575, 743, 920, 1058, 1150, 1486, 2116, 2300, 2645, 2972, 3715, 4232, 4600, 5290, 5944, 7430, 10580, 13225, 14860, 17089, 18575, 21160, 26450, 29720, 34178, 37150, 52900, 68356, 74300, 85445, 105800, 136712, 148600, 170890, 341780, 393047, 427225, 683560, 786094, 854450, 1572188, 1708900, 1965235, 3144376, 3417800, 3930470, 7860940, 9826175, 15721880, 19652350, 39304700, 78609400]

約数ペア:

[(1, 78609400), (2, 39304700), (4, 19652350), (5, 15721880), (8, 9826175), (10, 7860940), (20, 3930470), (23, 3417800), (25, 3144376), (40, 1965235), (46, 1708900), (50, 1572188), (92, 854450), (100, 786094), (115, 683560), (184, 427225), (200, 393047), (230, 341780), (460, 170890), (529, 148600), (575, 136712), (743, 105800), (920, 85445), (1058, 74300), (1150, 68356), (1486, 52900), (2116, 37150), (2300, 34178), (2645, 29720), (2972, 26450), (3715, 21160), (4232, 18575), (4600, 17089), (5290, 14860), (5944, 13225), (7430, 10580)]