388864000

素因数分解:

$2^{11}\times 5^3\times 7^2\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 288

約数和(自身を含む): 1165207680

約数和(自身を除く): 776343680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 49, 50, 56, 62, 64, 70, 80, 98, 100, 112, 124, 125, 128, 140, 155, 160, 175, 196, 200, 217, 224, 245, 248, 250, 256, 280, 310, 320, 350, 392, 400, 434, 448, 490, 496, 500, 512, 560, 620, 640, 700, 775, 784, 800, 868, 875, 896, 980, 992, 1000, 1024, 1085, 1120, 1225, 1240, 1280, 1400, 1519, 1550, 1568, 1600, 1736, 1750, 1792, 1960, 1984, 2000, 2048, 2170, 2240, 2450, 2480, 2560, 2800, 3038, 3100, 3136, 3200, 3472, 3500, 3584, 3875, 3920, 3968, 4000, 4340, 4480, 4900, 4960, 5120, 5425, 5600, 6076, 6125, 6200, 6272, 6400, 6944, 7000, 7168, 7595, 7750, 7840, 7936, 8000, 8680, 8960, 9800, 9920, 10240, 10850, 11200, 12152, 12250, 12400, 12544, 12800, 13888, 14000, 14336, 15190, 15500, 15680, 15872, 16000, 17360, 17920, 19600, 19840, 21700, 22400, 24304, 24500, 24800, 25088, 25600, 27125, 27776, 28000, 30380, 31000, 31360, 31744, 32000, 34720, 35840, 37975, 39200, 39680, 43400, 44800, 48608, 49000, 49600, 50176, 51200, 54250, 55552, 56000, 60760, 62000, 62720, 63488, 64000, 69440, 71680, 75950, 78400, 79360, 86800, 89600, 97216, 98000, 99200, 100352, 108500, 111104, 112000, 121520, 124000, 125440, 128000, 138880, 151900, 156800, 158720, 173600, 179200, 189875, 194432, 196000, 198400, 217000, 222208, 224000, 243040, 248000, 250880, 256000, 277760, 303800, 313600, 317440, 347200, 358400, 379750, 388864, 392000, 396800, 434000, 444416, 448000, 486080, 496000, 501760, 555520, 607600, 627200, 694400, 759500, 777728, 784000, 793600, 868000, 896000, 972160, 992000, 1111040, 1215200, 1254400, 1388800, 1519000, 1555456, 1568000, 1587200, 1736000, 1792000, 1944320, 1984000, 2222080, 2430400, 2508800, 2777600, 3038000, 3110912, 3136000, 3472000, 3888640, 3968000, 4860800, 5555200, 6076000, 6272000, 6944000, 7777280, 7936000, 9721600, 11110400, 12152000, 12544000, 13888000, 15554560, 19443200, 24304000, 27776000, 38886400, 48608000, 55552000, 77772800, 97216000, 194432000, 388864000]

約数ペア:

[(1, 388864000), (2, 194432000), (4, 97216000), (5, 77772800), (7, 55552000), (8, 48608000), (10, 38886400), (14, 27776000), (16, 24304000), (20, 19443200), (25, 15554560), (28, 13888000), (31, 12544000), (32, 12152000), (35, 11110400), (40, 9721600), (49, 7936000), (50, 7777280), (56, 6944000), (62, 6272000), (64, 6076000), (70, 5555200), (80, 4860800), (98, 3968000), (100, 3888640), (112, 3472000), (124, 3136000), (125, 3110912), (128, 3038000), (140, 2777600), (155, 2508800), (160, 2430400), (175, 2222080), (196, 1984000), (200, 1944320), (217, 1792000), (224, 1736000), (245, 1587200), (248, 1568000), (250, 1555456), (256, 1519000), (280, 1388800), (310, 1254400), (320, 1215200), (350, 1111040), (392, 992000), (400, 972160), (434, 896000), (448, 868000), (490, 793600), (496, 784000), (500, 777728), (512, 759500), (560, 694400), (620, 627200), (640, 607600), (700, 555520), (775, 501760), (784, 496000), (800, 486080), (868, 448000), (875, 444416), (896, 434000), (980, 396800), (992, 392000), (1000, 388864), (1024, 379750), (1085, 358400), (1120, 347200), (1225, 317440), (1240, 313600), (1280, 303800), (1400, 277760), (1519, 256000), (1550, 250880), (1568, 248000), (1600, 243040), (1736, 224000), (1750, 222208), (1792, 217000), (1960, 198400), (1984, 196000), (2000, 194432), (2048, 189875), (2170, 179200), (2240, 173600), (2450, 158720), (2480, 156800), (2560, 151900), (2800, 138880), (3038, 128000), (3100, 125440), (3136, 124000), (3200, 121520), (3472, 112000), (3500, 111104), (3584, 108500), (3875, 100352), (3920, 99200), (3968, 98000), (4000, 97216), (4340, 89600), (4480, 86800), (4900, 79360), (4960, 78400), (5120, 75950), (5425, 71680), (5600, 69440), (6076, 64000), (6125, 63488), (6200, 62720), (6272, 62000), (6400, 60760), (6944, 56000), (7000, 55552), (7168, 54250), (7595, 51200), (7750, 50176), (7840, 49600), (7936, 49000), (8000, 48608), (8680, 44800), (8960, 43400), (9800, 39680), (9920, 39200), (10240, 37975), (10850, 35840), (11200, 34720), (12152, 32000), (12250, 31744), (12400, 31360), (12544, 31000), (12800, 30380), (13888, 28000), (14000, 27776), (14336, 27125), (15190, 25600), (15500, 25088), (15680, 24800), (15872, 24500), (16000, 24304), (17360, 22400), (17920, 21700), (19600, 19840)]