390498640

素因数分解:

$2^4\times 5^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:167

約数の個数: 200

約数和(自身を含む): 1125329760

約数和(自身を除く): 734831120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 107, 112, 133, 140, 152, 190, 196, 214, 245, 266, 280, 304, 343, 380, 392, 428, 490, 532, 535, 560, 665, 686, 749, 760, 784, 856, 931, 980, 1064, 1070, 1330, 1372, 1498, 1520, 1712, 1715, 1862, 1960, 2033, 2128, 2140, 2401, 2660, 2744, 2996, 3430, 3724, 3745, 3920, 4066, 4280, 4655, 4802, 5243, 5320, 5488, 5992, 6517, 6860, 7448, 7490, 8132, 8560, 9310, 9604, 10165, 10486, 10640, 11984, 12005, 13034, 13720, 14231, 14896, 14980, 16264, 18620, 19208, 20330, 20972, 24010, 26068, 26215, 27440, 28462, 29960, 32528, 32585, 36701, 37240, 38416, 40660, 41944, 45619, 48020, 52136, 52430, 56924, 59920, 65170, 71155, 73402, 74480, 81320, 83888, 91238, 96040, 99617, 104272, 104860, 113848, 130340, 142310, 146804, 162640, 182476, 183505, 192080, 199234, 209720, 227696, 228095, 256907, 260680, 284620, 293608, 364952, 367010, 398468, 419440, 456190, 498085, 513814, 521360, 569240, 587216, 697319, 729904, 734020, 796936, 912380, 996170, 1027628, 1138480, 1284535, 1394638, 1468040, 1593872, 1824760, 1992340, 2055256, 2569070, 2789276, 2936080, 3486595, 3649520, 3984680, 4110512, 4881233, 5138140, 5578552, 6973190, 7969360, 9762466, 10276280, 11157104, 13946380, 19524932, 20552560, 24406165, 27892760, 39049864, 48812330, 55785520, 78099728, 97624660, 195249320, 390498640]

約数ペア:

[(1, 390498640), (2, 195249320), (4, 97624660), (5, 78099728), (7, 55785520), (8, 48812330), (10, 39049864), (14, 27892760), (16, 24406165), (19, 20552560), (20, 19524932), (28, 13946380), (35, 11157104), (38, 10276280), (40, 9762466), (49, 7969360), (56, 6973190), (70, 5578552), (76, 5138140), (80, 4881233), (95, 4110512), (98, 3984680), (107, 3649520), (112, 3486595), (133, 2936080), (140, 2789276), (152, 2569070), (190, 2055256), (196, 1992340), (214, 1824760), (245, 1593872), (266, 1468040), (280, 1394638), (304, 1284535), (343, 1138480), (380, 1027628), (392, 996170), (428, 912380), (490, 796936), (532, 734020), (535, 729904), (560, 697319), (665, 587216), (686, 569240), (749, 521360), (760, 513814), (784, 498085), (856, 456190), (931, 419440), (980, 398468), (1064, 367010), (1070, 364952), (1330, 293608), (1372, 284620), (1498, 260680), (1520, 256907), (1712, 228095), (1715, 227696), (1862, 209720), (1960, 199234), (2033, 192080), (2128, 183505), (2140, 182476), (2401, 162640), (2660, 146804), (2744, 142310), (2996, 130340), (3430, 113848), (3724, 104860), (3745, 104272), (3920, 99617), (4066, 96040), (4280, 91238), (4655, 83888), (4802, 81320), (5243, 74480), (5320, 73402), (5488, 71155), (5992, 65170), (6517, 59920), (6860, 56924), (7448, 52430), (7490, 52136), (8132, 48020), (8560, 45619), (9310, 41944), (9604, 40660), (10165, 38416), (10486, 37240), (10640, 36701), (11984, 32585), (12005, 32528), (13034, 29960), (13720, 28462), (14231, 27440), (14896, 26215), (14980, 26068), (16264, 24010), (18620, 20972), (19208, 20330)]