1990444800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{103669}}^1$

素因数の和:103698

約数の個数: 108

約数和(自身を含む): 6568945880

約数和(自身を除く): 4578501080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 600, 640, 768, 800, 960, 1200, 1280, 1600, 1920, 2400, 3200, 3840, 4800, 6400, 9600, 19200, 103669, 207338, 311007, 414676, 518345, 622014, 829352, 1036690, 1244028, 1555035, 1658704, 2073380, 2488056, 2591725, 3110070, 3317408, 4146760, 4976112, 5183450, 6220140, 6634816, 7775175, 8293520, 9952224, 10366900, 12440280, 13269632, 15550350, 16587040, 19904448, 20733800, 24880560, 26539264, 31100700, 33174080, 39808896, 41467600, 49761120, 62201400, 66348160, 79617792, 82935200, 99522240, 124402800, 132696320, 165870400, 199044480, 248805600, 331740800, 398088960, 497611200, 663481600, 995222400, 1990444800]

約数ペア:

[(1, 1990444800), (2, 995222400), (3, 663481600), (4, 497611200), (5, 398088960), (6, 331740800), (8, 248805600), (10, 199044480), (12, 165870400), (15, 132696320), (16, 124402800), (20, 99522240), (24, 82935200), (25, 79617792), (30, 66348160), (32, 62201400), (40, 49761120), (48, 41467600), (50, 39808896), (60, 33174080), (64, 31100700), (75, 26539264), (80, 24880560), (96, 20733800), (100, 19904448), (120, 16587040), (128, 15550350), (150, 13269632), (160, 12440280), (192, 10366900), (200, 9952224), (240, 8293520), (256, 7775175), (300, 6634816), (320, 6220140), (384, 5183450), (400, 4976112), (480, 4146760), (600, 3317408), (640, 3110070), (768, 2591725), (800, 2488056), (960, 2073380), (1200, 1658704), (1280, 1555035), (1600, 1244028), (1920, 1036690), (2400, 829352), (3200, 622014), (3840, 518345), (4800, 414676), (6400, 311007), (9600, 207338), (19200, 103669)]