319684400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 240

約数和(自身を含む): 944701440

約数和(自身を除く): 625017040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 31, 35, 40, 50, 56, 58, 62, 70, 80, 100, 112, 116, 124, 127, 140, 145, 155, 175, 200, 203, 217, 232, 248, 254, 280, 290, 310, 350, 400, 406, 434, 464, 496, 508, 560, 580, 620, 635, 700, 725, 775, 812, 868, 889, 899, 1015, 1016, 1085, 1160, 1240, 1270, 1400, 1450, 1550, 1624, 1736, 1778, 1798, 2030, 2032, 2170, 2320, 2480, 2540, 2800, 2900, 3100, 3175, 3248, 3472, 3556, 3596, 3683, 3937, 4060, 4340, 4445, 4495, 5075, 5080, 5425, 5800, 6200, 6293, 6350, 7112, 7192, 7366, 7874, 8120, 8680, 8890, 8990, 10150, 10160, 10850, 11600, 12400, 12586, 12700, 14224, 14384, 14732, 15748, 16240, 17360, 17780, 17980, 18415, 19685, 20300, 21700, 22225, 22475, 25172, 25400, 25781, 27559, 29464, 31465, 31496, 35560, 35960, 36830, 39370, 40600, 43400, 44450, 44950, 50344, 50800, 51562, 55118, 58928, 62930, 62992, 71120, 71920, 73660, 78740, 81200, 86800, 88900, 89900, 92075, 98425, 100688, 103124, 110236, 114173, 125860, 128905, 137795, 147320, 157325, 157480, 177800, 179800, 184150, 196850, 206248, 220472, 228346, 251720, 257810, 275590, 294640, 314650, 314960, 355600, 359600, 368300, 393700, 412496, 440944, 456692, 503440, 515620, 551180, 570865, 629300, 644525, 688975, 736600, 787400, 799211, 913384, 1031240, 1102360, 1141730, 1258600, 1289050, 1377950, 1473200, 1574800, 1598422, 1826768, 2062480, 2204720, 2283460, 2517200, 2578100, 2755900, 2854325, 3196844, 3996055, 4566920, 5156200, 5511800, 5708650, 6393688, 7992110, 9133840, 10312400, 11023600, 11417300, 12787376, 15984220, 19980275, 22834600, 31968440, 39960550, 45669200, 63936880, 79921100, 159842200, 319684400]

約数ペア:

[(1, 319684400), (2, 159842200), (4, 79921100), (5, 63936880), (7, 45669200), (8, 39960550), (10, 31968440), (14, 22834600), (16, 19980275), (20, 15984220), (25, 12787376), (28, 11417300), (29, 11023600), (31, 10312400), (35, 9133840), (40, 7992110), (50, 6393688), (56, 5708650), (58, 5511800), (62, 5156200), (70, 4566920), (80, 3996055), (100, 3196844), (112, 2854325), (116, 2755900), (124, 2578100), (127, 2517200), (140, 2283460), (145, 2204720), (155, 2062480), (175, 1826768), (200, 1598422), (203, 1574800), (217, 1473200), (232, 1377950), (248, 1289050), (254, 1258600), (280, 1141730), (290, 1102360), (310, 1031240), (350, 913384), (400, 799211), (406, 787400), (434, 736600), (464, 688975), (496, 644525), (508, 629300), (560, 570865), (580, 551180), (620, 515620), (635, 503440), (700, 456692), (725, 440944), (775, 412496), (812, 393700), (868, 368300), (889, 359600), (899, 355600), (1015, 314960), (1016, 314650), (1085, 294640), (1160, 275590), (1240, 257810), (1270, 251720), (1400, 228346), (1450, 220472), (1550, 206248), (1624, 196850), (1736, 184150), (1778, 179800), (1798, 177800), (2030, 157480), (2032, 157325), (2170, 147320), (2320, 137795), (2480, 128905), (2540, 125860), (2800, 114173), (2900, 110236), (3100, 103124), (3175, 100688), (3248, 98425), (3472, 92075), (3556, 89900), (3596, 88900), (3683, 86800), (3937, 81200), (4060, 78740), (4340, 73660), (4445, 71920), (4495, 71120), (5075, 62992), (5080, 62930), (5425, 58928), (5800, 55118), (6200, 51562), (6293, 50800), (6350, 50344), (7112, 44950), (7192, 44450), (7366, 43400), (7874, 40600), (8120, 39370), (8680, 36830), (8890, 35960), (8990, 35560), (10150, 31496), (10160, 31465), (10850, 29464), (11600, 27559), (12400, 25781), (12586, 25400), (12700, 25172), (14224, 22475), (14384, 22225), (14732, 21700), (15748, 20300), (16240, 19685), (17360, 18415), (17780, 17980)]