209326220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{5113}}^1$

素因数の和:5234

約数の個数: 48

約数和(自身を含む): 463942080

約数和(自身を除く): 254615860

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 445, 460, 890, 1780, 2047, 4094, 5113, 8188, 10226, 10235, 20452, 20470, 25565, 40940, 51130, 102260, 117599, 235198, 455057, 470396, 587995, 910114, 1175990, 1820228, 2275285, 2351980, 4550570, 9101140, 10466311, 20932622, 41865244, 52331555, 104663110, 209326220]

約数ペア:

[(1, 209326220), (2, 104663110), (4, 52331555), (5, 41865244), (10, 20932622), (20, 10466311), (23, 9101140), (46, 4550570), (89, 2351980), (92, 2275285), (115, 1820228), (178, 1175990), (230, 910114), (356, 587995), (445, 470396), (460, 455057), (890, 235198), (1780, 117599), (2047, 102260), (4094, 51130), (5113, 40940), (8188, 25565), (10226, 20470), (10235, 20452)]