881888000

素因数分解:

$2^8\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:196

約数の個数: 288

約数和(自身を含む): 2612133888

約数和(自身を除く): 1730245888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 64, 70, 80, 100, 112, 124, 125, 127, 128, 140, 155, 160, 175, 200, 217, 224, 248, 250, 254, 256, 280, 310, 320, 350, 400, 434, 448, 496, 500, 508, 560, 620, 635, 640, 700, 775, 800, 868, 875, 889, 896, 992, 1000, 1016, 1085, 1120, 1240, 1270, 1280, 1400, 1550, 1600, 1736, 1750, 1778, 1792, 1984, 2000, 2032, 2170, 2240, 2480, 2540, 2800, 3100, 3175, 3200, 3472, 3500, 3556, 3875, 3937, 3968, 4000, 4064, 4340, 4445, 4480, 4960, 5080, 5425, 5600, 6200, 6350, 6400, 6944, 7000, 7112, 7750, 7874, 7936, 8000, 8128, 8680, 8890, 8960, 9920, 10160, 10850, 11200, 12400, 12700, 13888, 14000, 14224, 15500, 15748, 15875, 16000, 16256, 17360, 17780, 19685, 19840, 20320, 21700, 22225, 22400, 24800, 25400, 27125, 27559, 27776, 28000, 28448, 31000, 31496, 31750, 32000, 32512, 34720, 35560, 39370, 39680, 40640, 43400, 44450, 44800, 49600, 50800, 54250, 55118, 55552, 56000, 56896, 62000, 62992, 63500, 69440, 71120, 78740, 81280, 86800, 88900, 98425, 99200, 101600, 108500, 110236, 111125, 112000, 113792, 124000, 125984, 127000, 137795, 138880, 142240, 157480, 162560, 173600, 177800, 196850, 198400, 203200, 217000, 220472, 222250, 224000, 227584, 248000, 251968, 254000, 275590, 277760, 284480, 314960, 347200, 355600, 393700, 406400, 434000, 440944, 444500, 492125, 496000, 503936, 508000, 551180, 568960, 629920, 688975, 694400, 711200, 787400, 812800, 868000, 881888, 889000, 984250, 992000, 1007872, 1016000, 1102360, 1137920, 1259840, 1377950, 1388800, 1422400, 1574800, 1736000, 1763776, 1778000, 1968500, 2032000, 2204720, 2519680, 2755900, 2844800, 3149600, 3444875, 3472000, 3527552, 3556000, 3937000, 4064000, 4409440, 5039360, 5511800, 5689600, 6299200, 6889750, 6944000, 7055104, 7112000, 7874000, 8818880, 11023600, 12598400, 13779500, 14224000, 15748000, 17637760, 22047200, 25196800, 27559000, 28448000, 31496000, 35275520, 44094400, 55118000, 62992000, 88188800, 110236000, 125984000, 176377600, 220472000, 440944000, 881888000]

約数ペア:

[(1, 881888000), (2, 440944000), (4, 220472000), (5, 176377600), (7, 125984000), (8, 110236000), (10, 88188800), (14, 62992000), (16, 55118000), (20, 44094400), (25, 35275520), (28, 31496000), (31, 28448000), (32, 27559000), (35, 25196800), (40, 22047200), (50, 17637760), (56, 15748000), (62, 14224000), (64, 13779500), (70, 12598400), (80, 11023600), (100, 8818880), (112, 7874000), (124, 7112000), (125, 7055104), (127, 6944000), (128, 6889750), (140, 6299200), (155, 5689600), (160, 5511800), (175, 5039360), (200, 4409440), (217, 4064000), (224, 3937000), (248, 3556000), (250, 3527552), (254, 3472000), (256, 3444875), (280, 3149600), (310, 2844800), (320, 2755900), (350, 2519680), (400, 2204720), (434, 2032000), (448, 1968500), (496, 1778000), (500, 1763776), (508, 1736000), (560, 1574800), (620, 1422400), (635, 1388800), (640, 1377950), (700, 1259840), (775, 1137920), (800, 1102360), (868, 1016000), (875, 1007872), (889, 992000), (896, 984250), (992, 889000), (1000, 881888), (1016, 868000), (1085, 812800), (1120, 787400), (1240, 711200), (1270, 694400), (1280, 688975), (1400, 629920), (1550, 568960), (1600, 551180), (1736, 508000), (1750, 503936), (1778, 496000), (1792, 492125), (1984, 444500), (2000, 440944), (2032, 434000), (2170, 406400), (2240, 393700), (2480, 355600), (2540, 347200), (2800, 314960), (3100, 284480), (3175, 277760), (3200, 275590), (3472, 254000), (3500, 251968), (3556, 248000), (3875, 227584), (3937, 224000), (3968, 222250), (4000, 220472), (4064, 217000), (4340, 203200), (4445, 198400), (4480, 196850), (4960, 177800), (5080, 173600), (5425, 162560), (5600, 157480), (6200, 142240), (6350, 138880), (6400, 137795), (6944, 127000), (7000, 125984), (7112, 124000), (7750, 113792), (7874, 112000), (7936, 111125), (8000, 110236), (8128, 108500), (8680, 101600), (8890, 99200), (8960, 98425), (9920, 88900), (10160, 86800), (10850, 81280), (11200, 78740), (12400, 71120), (12700, 69440), (13888, 63500), (14000, 62992), (14224, 62000), (15500, 56896), (15748, 56000), (15875, 55552), (16000, 55118), (16256, 54250), (17360, 50800), (17780, 49600), (19685, 44800), (19840, 44450), (20320, 43400), (21700, 40640), (22225, 39680), (22400, 39370), (24800, 35560), (25400, 34720), (27125, 32512), (27559, 32000), (27776, 31750), (28000, 31496), (28448, 31000)]