2013989450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{18401}}^1$

素因数の和:18623

約数の個数: 48

約数和(自身を含む): 4107326400

約数和(自身を除く): 2093336950

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 199, 275, 398, 550, 995, 1990, 2189, 4378, 4975, 9950, 10945, 18401, 21890, 36802, 54725, 92005, 109450, 184010, 202411, 404822, 460025, 920050, 1012055, 2024110, 3661799, 5060275, 7323598, 10120550, 18308995, 36617990, 40279789, 80559578, 91544975, 183089950, 201398945, 402797890, 1006994725, 2013989450]

約数ペア:

[(1, 2013989450), (2, 1006994725), (5, 402797890), (10, 201398945), (11, 183089950), (22, 91544975), (25, 80559578), (50, 40279789), (55, 36617990), (110, 18308995), (199, 10120550), (275, 7323598), (398, 5060275), (550, 3661799), (995, 2024110), (1990, 1012055), (2189, 920050), (4378, 460025), (4975, 404822), (9950, 202411), (10945, 184010), (18401, 109450), (21890, 92005), (36802, 54725)]