223847140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{5113}}^1$

素因数の和:5332

約数の個数: 48

約数和(自身を含む): 515491200

約数和(自身を除く): 291644060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1990, 2189, 3980, 4378, 5113, 8756, 10226, 10945, 20452, 21890, 25565, 43780, 51130, 56243, 102260, 112486, 224972, 281215, 562430, 1017487, 1124860, 2034974, 4069948, 5087435, 10174870, 11192357, 20349740, 22384714, 44769428, 55961785, 111923570, 223847140]

約数ペア:

[(1, 223847140), (2, 111923570), (4, 55961785), (5, 44769428), (10, 22384714), (11, 20349740), (20, 11192357), (22, 10174870), (44, 5087435), (55, 4069948), (110, 2034974), (199, 1124860), (220, 1017487), (398, 562430), (796, 281215), (995, 224972), (1990, 112486), (2189, 102260), (3980, 56243), (4378, 51130), (5113, 43780), (8756, 25565), (10226, 21890), (10945, 20452)]