28027500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:165

約数の個数: 120

約数和(自身を含む): 84760368

約数和(自身を除く): 56732868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 37, 50, 60, 74, 75, 100, 101, 111, 125, 148, 150, 185, 202, 222, 250, 300, 303, 370, 375, 404, 444, 500, 505, 555, 606, 625, 740, 750, 925, 1010, 1110, 1212, 1250, 1500, 1515, 1850, 1875, 2020, 2220, 2500, 2525, 2775, 3030, 3700, 3737, 3750, 4625, 5050, 5550, 6060, 7474, 7500, 7575, 9250, 10100, 11100, 11211, 12625, 13875, 14948, 15150, 18500, 18685, 22422, 23125, 25250, 27750, 30300, 37370, 37875, 44844, 46250, 50500, 55500, 56055, 63125, 69375, 74740, 75750, 92500, 93425, 112110, 126250, 138750, 151500, 186850, 189375, 224220, 252500, 277500, 280275, 373700, 378750, 467125, 560550, 757500, 934250, 1121100, 1401375, 1868500, 2335625, 2802750, 4671250, 5605500, 7006875, 9342500, 14013750, 28027500]

約数ペア:

[(1, 28027500), (2, 14013750), (3, 9342500), (4, 7006875), (5, 5605500), (6, 4671250), (10, 2802750), (12, 2335625), (15, 1868500), (20, 1401375), (25, 1121100), (30, 934250), (37, 757500), (50, 560550), (60, 467125), (74, 378750), (75, 373700), (100, 280275), (101, 277500), (111, 252500), (125, 224220), (148, 189375), (150, 186850), (185, 151500), (202, 138750), (222, 126250), (250, 112110), (300, 93425), (303, 92500), (370, 75750), (375, 74740), (404, 69375), (444, 63125), (500, 56055), (505, 55500), (555, 50500), (606, 46250), (625, 44844), (740, 37875), (750, 37370), (925, 30300), (1010, 27750), (1110, 25250), (1212, 23125), (1250, 22422), (1500, 18685), (1515, 18500), (1850, 15150), (1875, 14948), (2020, 13875), (2220, 12625), (2500, 11211), (2525, 11100), (2775, 10100), (3030, 9250), (3700, 7575), (3737, 7500), (3750, 7474), (4625, 6060), (5050, 5550)]