329778820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:330

約数の個数: 144

約数和(自身を含む): 861840000

約数和(自身を除く): 532061180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 89, 95, 98, 133, 140, 178, 190, 196, 199, 245, 266, 356, 380, 398, 445, 490, 532, 623, 665, 796, 890, 931, 980, 995, 1246, 1330, 1393, 1691, 1780, 1862, 1990, 2492, 2660, 2786, 3115, 3382, 3724, 3781, 3980, 4361, 4655, 5572, 6230, 6764, 6965, 7562, 8455, 8722, 9310, 9751, 11837, 12460, 13930, 15124, 16910, 17444, 17711, 18620, 18905, 19502, 21805, 23674, 26467, 27860, 33820, 35422, 37810, 39004, 43610, 47348, 48755, 52934, 59185, 70844, 75620, 82859, 87220, 88555, 97510, 105868, 118370, 123977, 132335, 165718, 177110, 185269, 195020, 236740, 247954, 264670, 331436, 336509, 354220, 370538, 414295, 495908, 529340, 619885, 673018, 741076, 828590, 867839, 926345, 1239770, 1346036, 1657180, 1682545, 1735678, 1852690, 2355563, 2479540, 3365090, 3471356, 3705380, 4339195, 4711126, 6730180, 8678390, 9422252, 11777815, 16488941, 17356780, 23555630, 32977882, 47111260, 65955764, 82444705, 164889410, 329778820]

約数ペア:

[(1, 329778820), (2, 164889410), (4, 82444705), (5, 65955764), (7, 47111260), (10, 32977882), (14, 23555630), (19, 17356780), (20, 16488941), (28, 11777815), (35, 9422252), (38, 8678390), (49, 6730180), (70, 4711126), (76, 4339195), (89, 3705380), (95, 3471356), (98, 3365090), (133, 2479540), (140, 2355563), (178, 1852690), (190, 1735678), (196, 1682545), (199, 1657180), (245, 1346036), (266, 1239770), (356, 926345), (380, 867839), (398, 828590), (445, 741076), (490, 673018), (532, 619885), (623, 529340), (665, 495908), (796, 414295), (890, 370538), (931, 354220), (980, 336509), (995, 331436), (1246, 264670), (1330, 247954), (1393, 236740), (1691, 195020), (1780, 185269), (1862, 177110), (1990, 165718), (2492, 132335), (2660, 123977), (2786, 118370), (3115, 105868), (3382, 97510), (3724, 88555), (3781, 87220), (3980, 82859), (4361, 75620), (4655, 70844), (5572, 59185), (6230, 52934), (6764, 48755), (6965, 47348), (7562, 43610), (8455, 39004), (8722, 37810), (9310, 35422), (9751, 33820), (11837, 27860), (12460, 26467), (13930, 23674), (15124, 21805), (16910, 19502), (17444, 18905), (17711, 18620)]