208140400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{3079}}^1$

素因数の和:3123

約数の個数: 90

約数和(自身を含む): 541658040

約数和(自身を除く): 333517640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 169, 200, 208, 260, 325, 338, 400, 520, 650, 676, 845, 1040, 1300, 1352, 1690, 2600, 2704, 3079, 3380, 4225, 5200, 6158, 6760, 8450, 12316, 13520, 15395, 16900, 24632, 30790, 33800, 40027, 49264, 61580, 67600, 76975, 80054, 123160, 153950, 160108, 200135, 246320, 307900, 320216, 400270, 520351, 615800, 640432, 800540, 1000675, 1040702, 1231600, 1601080, 2001350, 2081404, 2601755, 3202160, 4002700, 4162808, 5203510, 8005400, 8325616, 10407020, 13008775, 16010800, 20814040, 26017550, 41628080, 52035100, 104070200, 208140400]

約数ペア:

[(1, 208140400), (2, 104070200), (4, 52035100), (5, 41628080), (8, 26017550), (10, 20814040), (13, 16010800), (16, 13008775), (20, 10407020), (25, 8325616), (26, 8005400), (40, 5203510), (50, 4162808), (52, 4002700), (65, 3202160), (80, 2601755), (100, 2081404), (104, 2001350), (130, 1601080), (169, 1231600), (200, 1040702), (208, 1000675), (260, 800540), (325, 640432), (338, 615800), (400, 520351), (520, 400270), (650, 320216), (676, 307900), (845, 246320), (1040, 200135), (1300, 160108), (1352, 153950), (1690, 123160), (2600, 80054), (2704, 76975), (3079, 67600), (3380, 61580), (4225, 49264), (5200, 40027), (6158, 33800), (6760, 30790), (8450, 24632), (12316, 16900), (13520, 15395)]