198003200

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:558

約数の個数: 120

約数和(自身を含む): 507408000

約数和(自身を除く): 309404800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 499, 512, 620, 640, 775, 800, 992, 998, 1240, 1280, 1550, 1600, 1984, 1996, 2480, 2495, 2560, 3100, 3200, 3968, 3992, 4960, 4990, 6200, 6400, 7936, 7984, 9920, 9980, 12400, 12475, 12800, 15469, 15872, 15968, 19840, 19960, 24800, 24950, 30938, 31936, 39680, 39920, 49600, 49900, 61876, 63872, 77345, 79360, 79840, 99200, 99800, 123752, 127744, 154690, 159680, 198400, 199600, 247504, 255488, 309380, 319360, 386725, 396800, 399200, 495008, 618760, 638720, 773450, 798400, 990016, 1237520, 1277440, 1546900, 1596800, 1980032, 2475040, 3093800, 3193600, 3960064, 4950080, 6187600, 6387200, 7920128, 9900160, 12375200, 19800320, 24750400, 39600640, 49500800, 99001600, 198003200]

約数ペア:

[(1, 198003200), (2, 99001600), (4, 49500800), (5, 39600640), (8, 24750400), (10, 19800320), (16, 12375200), (20, 9900160), (25, 7920128), (31, 6387200), (32, 6187600), (40, 4950080), (50, 3960064), (62, 3193600), (64, 3093800), (80, 2475040), (100, 1980032), (124, 1596800), (128, 1546900), (155, 1277440), (160, 1237520), (200, 990016), (248, 798400), (256, 773450), (310, 638720), (320, 618760), (400, 495008), (496, 399200), (499, 396800), (512, 386725), (620, 319360), (640, 309380), (775, 255488), (800, 247504), (992, 199600), (998, 198400), (1240, 159680), (1280, 154690), (1550, 127744), (1600, 123752), (1984, 99800), (1996, 99200), (2480, 79840), (2495, 79360), (2560, 77345), (3100, 63872), (3200, 61876), (3968, 49900), (3992, 49600), (4960, 39920), (4990, 39680), (6200, 31936), (6400, 30938), (7936, 24950), (7984, 24800), (9920, 19960), (9980, 19840), (12400, 15968), (12475, 15872), (12800, 15469)]