70442020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1609}}^1$

素因数の和:1828

約数の個数: 48

約数和(自身を含む): 162288000

約数和(自身を除く): 91845980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1609, 1990, 2189, 3218, 3980, 4378, 6436, 8045, 8756, 10945, 16090, 17699, 21890, 32180, 35398, 43780, 70796, 88495, 176990, 320191, 353980, 640382, 1280764, 1600955, 3201910, 3522101, 6403820, 7044202, 14088404, 17610505, 35221010, 70442020]

約数ペア:

[(1, 70442020), (2, 35221010), (4, 17610505), (5, 14088404), (10, 7044202), (11, 6403820), (20, 3522101), (22, 3201910), (44, 1600955), (55, 1280764), (110, 640382), (199, 353980), (220, 320191), (398, 176990), (796, 88495), (995, 70796), (1609, 43780), (1990, 35398), (2189, 32180), (3218, 21890), (3980, 17699), (4378, 16090), (6436, 10945), (8045, 8756)]