5550000

素因数分解:

$2^4\times 3^1\times 5^5\times {\mathrm{37}}^1$

素因数の和:73

約数の個数: 120

約数和(自身を含む): 18405072

約数和(自身を除く): 12855072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 37, 40, 48, 50, 60, 74, 75, 80, 100, 111, 120, 125, 148, 150, 185, 200, 222, 240, 250, 296, 300, 370, 375, 400, 444, 500, 555, 592, 600, 625, 740, 750, 888, 925, 1000, 1110, 1200, 1250, 1480, 1500, 1776, 1850, 1875, 2000, 2220, 2500, 2775, 2960, 3000, 3125, 3700, 3750, 4440, 4625, 5000, 5550, 6000, 6250, 7400, 7500, 8880, 9250, 9375, 10000, 11100, 12500, 13875, 14800, 15000, 18500, 18750, 22200, 23125, 25000, 27750, 30000, 37000, 37500, 44400, 46250, 50000, 55500, 69375, 74000, 75000, 92500, 111000, 115625, 138750, 150000, 185000, 222000, 231250, 277500, 346875, 370000, 462500, 555000, 693750, 925000, 1110000, 1387500, 1850000, 2775000, 5550000]

約数ペア:

[(1, 5550000), (2, 2775000), (3, 1850000), (4, 1387500), (5, 1110000), (6, 925000), (8, 693750), (10, 555000), (12, 462500), (15, 370000), (16, 346875), (20, 277500), (24, 231250), (25, 222000), (30, 185000), (37, 150000), (40, 138750), (48, 115625), (50, 111000), (60, 92500), (74, 75000), (75, 74000), (80, 69375), (100, 55500), (111, 50000), (120, 46250), (125, 44400), (148, 37500), (150, 37000), (185, 30000), (200, 27750), (222, 25000), (240, 23125), (250, 22200), (296, 18750), (300, 18500), (370, 15000), (375, 14800), (400, 13875), (444, 12500), (500, 11100), (555, 10000), (592, 9375), (600, 9250), (625, 8880), (740, 7500), (750, 7400), (888, 6250), (925, 6000), (1000, 5550), (1110, 5000), (1200, 4625), (1250, 4440), (1480, 3750), (1500, 3700), (1776, 3125), (1850, 3000), (1875, 2960), (2000, 2775), (2220, 2500)]