195871720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2237}}^1$

素因数の和:2458

約数の個数: 64

約数和(自身を含む): 483408000

約数和(自身を除く): 287536280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 199, 220, 398, 440, 796, 995, 1592, 1990, 2189, 2237, 3980, 4378, 4474, 7960, 8756, 8948, 10945, 11185, 17512, 17896, 21890, 22370, 24607, 43780, 44740, 49214, 87560, 89480, 98428, 123035, 196856, 246070, 445163, 492140, 890326, 984280, 1780652, 2225815, 3561304, 4451630, 4896793, 8903260, 9793586, 17806520, 19587172, 24483965, 39174344, 48967930, 97935860, 195871720]

約数ペア:

[(1, 195871720), (2, 97935860), (4, 48967930), (5, 39174344), (8, 24483965), (10, 19587172), (11, 17806520), (20, 9793586), (22, 8903260), (40, 4896793), (44, 4451630), (55, 3561304), (88, 2225815), (110, 1780652), (199, 984280), (220, 890326), (398, 492140), (440, 445163), (796, 246070), (995, 196856), (1592, 123035), (1990, 98428), (2189, 89480), (2237, 87560), (3980, 49214), (4378, 44740), (4474, 43780), (7960, 24607), (8756, 22370), (8948, 21890), (10945, 17896), (11185, 17512)]