988974400

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:337

約数の個数: 168

約数和(自身を含む): 2547900416

約数和(自身を除く): 1558926016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 127, 155, 157, 160, 200, 248, 254, 310, 314, 320, 400, 496, 508, 620, 628, 635, 775, 785, 800, 992, 1016, 1240, 1256, 1270, 1550, 1570, 1600, 1984, 2032, 2480, 2512, 2540, 3100, 3140, 3175, 3925, 3937, 4064, 4867, 4960, 5024, 5080, 6200, 6280, 6350, 7850, 7874, 8128, 9734, 9920, 10048, 10160, 12400, 12560, 12700, 15700, 15748, 19468, 19685, 19939, 20320, 24335, 24800, 25120, 25400, 31400, 31496, 38936, 39370, 39878, 40640, 48670, 49600, 50240, 50800, 62800, 62992, 77872, 78740, 79756, 97340, 98425, 99695, 101600, 121675, 125600, 125984, 155744, 157480, 159512, 194680, 196850, 199390, 203200, 243350, 251200, 251968, 311488, 314960, 319024, 389360, 393700, 398780, 486700, 498475, 618109, 629920, 638048, 778720, 787400, 797560, 973400, 996950, 1236218, 1259840, 1276096, 1557440, 1574800, 1595120, 1946800, 1993900, 2472436, 3090545, 3149600, 3190240, 3893600, 3987800, 4944872, 6181090, 6299200, 6380480, 7787200, 7975600, 9889744, 12362180, 15452725, 15951200, 19779488, 24724360, 30905450, 31902400, 39558976, 49448720, 61810900, 98897440, 123621800, 197794880, 247243600, 494487200, 988974400]

約数ペア:

[(1, 988974400), (2, 494487200), (4, 247243600), (5, 197794880), (8, 123621800), (10, 98897440), (16, 61810900), (20, 49448720), (25, 39558976), (31, 31902400), (32, 30905450), (40, 24724360), (50, 19779488), (62, 15951200), (64, 15452725), (80, 12362180), (100, 9889744), (124, 7975600), (127, 7787200), (155, 6380480), (157, 6299200), (160, 6181090), (200, 4944872), (248, 3987800), (254, 3893600), (310, 3190240), (314, 3149600), (320, 3090545), (400, 2472436), (496, 1993900), (508, 1946800), (620, 1595120), (628, 1574800), (635, 1557440), (775, 1276096), (785, 1259840), (800, 1236218), (992, 996950), (1016, 973400), (1240, 797560), (1256, 787400), (1270, 778720), (1550, 638048), (1570, 629920), (1600, 618109), (1984, 498475), (2032, 486700), (2480, 398780), (2512, 393700), (2540, 389360), (3100, 319024), (3140, 314960), (3175, 311488), (3925, 251968), (3937, 251200), (4064, 243350), (4867, 203200), (4960, 199390), (5024, 196850), (5080, 194680), (6200, 159512), (6280, 157480), (6350, 155744), (7850, 125984), (7874, 125600), (8128, 121675), (9734, 101600), (9920, 99695), (10048, 98425), (10160, 97340), (12400, 79756), (12560, 78740), (12700, 77872), (15700, 62992), (15748, 62800), (19468, 50800), (19685, 50240), (19939, 49600), (20320, 48670), (24335, 40640), (24800, 39878), (25120, 39370), (25400, 38936), (31400, 31496)]