394999920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{433}}^1$

素因数の和:640

約数の個数: 240

約数和(自身を含む): 1527943872

約数和(自身を除く): 1132943952

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 181, 210, 240, 252, 280, 315, 336, 360, 362, 420, 433, 504, 543, 560, 630, 720, 724, 840, 866, 905, 1008, 1086, 1260, 1267, 1299, 1448, 1629, 1680, 1732, 1810, 2165, 2172, 2520, 2534, 2598, 2715, 2896, 3031, 3258, 3464, 3620, 3801, 3897, 4330, 4344, 5040, 5068, 5196, 5430, 6062, 6335, 6495, 6516, 6928, 7240, 7602, 7794, 8145, 8660, 8688, 9093, 10136, 10392, 10860, 11403, 12124, 12670, 12990, 13032, 14480, 15155, 15204, 15588, 16290, 17320, 18186, 19005, 19485, 20272, 20784, 21720, 22806, 24248, 25340, 25980, 26064, 27279, 30310, 30408, 31176, 32580, 34640, 36372, 38010, 38970, 43440, 45465, 45612, 48496, 50680, 51960, 54558, 57015, 60620, 60816, 62352, 65160, 72744, 76020, 77940, 78373, 90930, 91224, 101360, 103920, 109116, 114030, 121240, 130320, 136395, 145488, 152040, 155880, 156746, 181860, 182448, 218232, 228060, 235119, 242480, 272790, 304080, 311760, 313492, 363720, 391865, 436464, 456120, 470238, 545580, 548611, 626984, 705357, 727440, 783730, 912240, 940476, 1091160, 1097222, 1175595, 1253968, 1410714, 1567460, 1645833, 1880952, 2182320, 2194444, 2351190, 2743055, 2821428, 3134920, 3291666, 3526785, 3761904, 4388888, 4702380, 4937499, 5486110, 5642856, 6269840, 6583332, 7053570, 8229165, 8777776, 9404760, 9874998, 10972220, 11285712, 13166664, 14107140, 16458330, 18809520, 19749996, 21944440, 24687495, 26333328, 28214280, 32916660, 39499992, 43888880, 49374990, 56428560, 65833320, 78999984, 98749980, 131666640, 197499960, 394999920]

約数ペア:

[(1, 394999920), (2, 197499960), (3, 131666640), (4, 98749980), (5, 78999984), (6, 65833320), (7, 56428560), (8, 49374990), (9, 43888880), (10, 39499992), (12, 32916660), (14, 28214280), (15, 26333328), (16, 24687495), (18, 21944440), (20, 19749996), (21, 18809520), (24, 16458330), (28, 14107140), (30, 13166664), (35, 11285712), (36, 10972220), (40, 9874998), (42, 9404760), (45, 8777776), (48, 8229165), (56, 7053570), (60, 6583332), (63, 6269840), (70, 5642856), (72, 5486110), (80, 4937499), (84, 4702380), (90, 4388888), (105, 3761904), (112, 3526785), (120, 3291666), (126, 3134920), (140, 2821428), (144, 2743055), (168, 2351190), (180, 2194444), (181, 2182320), (210, 1880952), (240, 1645833), (252, 1567460), (280, 1410714), (315, 1253968), (336, 1175595), (360, 1097222), (362, 1091160), (420, 940476), (433, 912240), (504, 783730), (543, 727440), (560, 705357), (630, 626984), (720, 548611), (724, 545580), (840, 470238), (866, 456120), (905, 436464), (1008, 391865), (1086, 363720), (1260, 313492), (1267, 311760), (1299, 304080), (1448, 272790), (1629, 242480), (1680, 235119), (1732, 228060), (1810, 218232), (2165, 182448), (2172, 181860), (2520, 156746), (2534, 155880), (2598, 152040), (2715, 145488), (2896, 136395), (3031, 130320), (3258, 121240), (3464, 114030), (3620, 109116), (3801, 103920), (3897, 101360), (4330, 91224), (4344, 90930), (5040, 78373), (5068, 77940), (5196, 76020), (5430, 72744), (6062, 65160), (6335, 62352), (6495, 60816), (6516, 60620), (6928, 57015), (7240, 54558), (7602, 51960), (7794, 50680), (8145, 48496), (8660, 45612), (8688, 45465), (9093, 43440), (10136, 38970), (10392, 38010), (10860, 36372), (11403, 34640), (12124, 32580), (12670, 31176), (12990, 30408), (13032, 30310), (14480, 27279), (15155, 26064), (15204, 25980), (15588, 25340), (16290, 24248), (17320, 22806), (18186, 21720), (19005, 20784), (19485, 20272)]