99001800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{55001}}^1$

素因数の和:55023

約数の個数: 72

約数和(自身を含む): 332487090

約数和(自身を除く): 233485290

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 55001, 110002, 165003, 220004, 275005, 330006, 440008, 495009, 550010, 660012, 825015, 990018, 1100020, 1320024, 1375025, 1650030, 1980036, 2200040, 2475045, 2750050, 3300060, 3960072, 4125075, 4950090, 5500100, 6600120, 8250150, 9900180, 11000200, 12375225, 16500300, 19800360, 24750450, 33000600, 49500900, 99001800]

約数ペア:

[(1, 99001800), (2, 49500900), (3, 33000600), (4, 24750450), (5, 19800360), (6, 16500300), (8, 12375225), (9, 11000200), (10, 9900180), (12, 8250150), (15, 6600120), (18, 5500100), (20, 4950090), (24, 4125075), (25, 3960072), (30, 3300060), (36, 2750050), (40, 2475045), (45, 2200040), (50, 1980036), (60, 1650030), (72, 1375025), (75, 1320024), (90, 1100020), (100, 990018), (120, 825015), (150, 660012), (180, 550010), (200, 495009), (225, 440008), (300, 330006), (360, 275005), (450, 220004), (600, 165003), (900, 110002), (1800, 55001)]