255727500

素因数分解:

$2^2\times 3^1\times 5^4\times 7^1\times {\mathrm{4871}}^1$

素因数の和:4905

約数の個数: 120

約数和(自身を含む): 852327168

約数和(自身を除く): 596599668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 210, 250, 300, 350, 375, 420, 500, 525, 625, 700, 750, 875, 1050, 1250, 1500, 1750, 1875, 2100, 2500, 2625, 3500, 3750, 4375, 4871, 5250, 7500, 8750, 9742, 10500, 13125, 14613, 17500, 19484, 24355, 26250, 29226, 34097, 48710, 52500, 58452, 68194, 73065, 97420, 102291, 121775, 136388, 146130, 170485, 204582, 243550, 292260, 340970, 365325, 409164, 487100, 511455, 608875, 681940, 730650, 852425, 1022910, 1217750, 1461300, 1704850, 1826625, 2045820, 2435500, 2557275, 3044375, 3409700, 3653250, 4262125, 5114550, 6088750, 7306500, 8524250, 9133125, 10229100, 12177500, 12786375, 17048500, 18266250, 21310625, 25572750, 36532500, 42621250, 51145500, 63931875, 85242500, 127863750, 255727500]

約数ペア:

[(1, 255727500), (2, 127863750), (3, 85242500), (4, 63931875), (5, 51145500), (6, 42621250), (7, 36532500), (10, 25572750), (12, 21310625), (14, 18266250), (15, 17048500), (20, 12786375), (21, 12177500), (25, 10229100), (28, 9133125), (30, 8524250), (35, 7306500), (42, 6088750), (50, 5114550), (60, 4262125), (70, 3653250), (75, 3409700), (84, 3044375), (100, 2557275), (105, 2435500), (125, 2045820), (140, 1826625), (150, 1704850), (175, 1461300), (210, 1217750), (250, 1022910), (300, 852425), (350, 730650), (375, 681940), (420, 608875), (500, 511455), (525, 487100), (625, 409164), (700, 365325), (750, 340970), (875, 292260), (1050, 243550), (1250, 204582), (1500, 170485), (1750, 146130), (1875, 136388), (2100, 121775), (2500, 102291), (2625, 97420), (3500, 73065), (3750, 68194), (4375, 58452), (4871, 52500), (5250, 48710), (7500, 34097), (8750, 29226), (9742, 26250), (10500, 24355), (13125, 19484), (14613, 17500)]