99001600

素因数分解:

$2^8\times 5^2\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:556

約数の個数: 108

約数和(自身を含む): 253456000

約数和(自身を除く): 154454400

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, 620, 640, 775, 800, 992, 998, 1240, 1280, 1550, 1600, 1984, 1996, 2480, 2495, 3100, 3200, 3968, 3992, 4960, 4990, 6200, 6400, 7936, 7984, 9920, 9980, 12400, 12475, 15469, 15968, 19840, 19960, 24800, 24950, 30938, 31936, 39680, 39920, 49600, 49900, 61876, 63872, 77345, 79840, 99200, 99800, 123752, 127744, 154690, 159680, 198400, 199600, 247504, 309380, 319360, 386725, 399200, 495008, 618760, 638720, 773450, 798400, 990016, 1237520, 1546900, 1596800, 1980032, 2475040, 3093800, 3193600, 3960064, 4950080, 6187600, 9900160, 12375200, 19800320, 24750400, 49500800, 99001600]

約数ペア:

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