470890000

素因数分解:

$2^4\times 5^4\times 7^2\times {\mathrm{31}}^2$

素因数の和:104

約数の個数: 225

約数和(自身を含む): 1370366811

約数和(自身を除く): 899476811

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 49, 50, 56, 62, 70, 80, 98, 100, 112, 124, 125, 140, 155, 175, 196, 200, 217, 245, 248, 250, 280, 310, 350, 392, 400, 434, 490, 496, 500, 560, 620, 625, 700, 775, 784, 868, 875, 961, 980, 1000, 1085, 1225, 1240, 1250, 1400, 1519, 1550, 1736, 1750, 1922, 1960, 2000, 2170, 2450, 2480, 2500, 2800, 3038, 3100, 3472, 3500, 3844, 3875, 3920, 4340, 4375, 4805, 4900, 5000, 5425, 6076, 6125, 6200, 6727, 7000, 7595, 7688, 7750, 8680, 8750, 9610, 9800, 10000, 10850, 12152, 12250, 12400, 13454, 14000, 15190, 15376, 15500, 17360, 17500, 19220, 19375, 19600, 21700, 24025, 24304, 24500, 26908, 27125, 30380, 30625, 31000, 33635, 35000, 37975, 38440, 38750, 43400, 47089, 48050, 49000, 53816, 54250, 60760, 61250, 62000, 67270, 70000, 75950, 76880, 77500, 86800, 94178, 96100, 98000, 107632, 108500, 120125, 121520, 122500, 134540, 135625, 151900, 155000, 168175, 188356, 189875, 192200, 217000, 235445, 240250, 245000, 269080, 271250, 303800, 310000, 336350, 376712, 379750, 384400, 434000, 470890, 480500, 490000, 538160, 542500, 600625, 607600, 672700, 753424, 759500, 840875, 941780, 949375, 961000, 1085000, 1177225, 1201250, 1345400, 1519000, 1681750, 1883560, 1898750, 1922000, 2170000, 2354450, 2402500, 2690800, 3038000, 3363500, 3767120, 3797500, 4204375, 4708900, 4805000, 5886125, 6727000, 7595000, 8408750, 9417800, 9610000, 11772250, 13454000, 15190000, 16817500, 18835600, 23544500, 29430625, 33635000, 47089000, 58861250, 67270000, 94178000, 117722500, 235445000, 470890000]

約数ペア:

[(1, 470890000), (2, 235445000), (4, 117722500), (5, 94178000), (7, 67270000), (8, 58861250), (10, 47089000), (14, 33635000), (16, 29430625), (20, 23544500), (25, 18835600), (28, 16817500), (31, 15190000), (35, 13454000), (40, 11772250), (49, 9610000), (50, 9417800), (56, 8408750), (62, 7595000), (70, 6727000), (80, 5886125), (98, 4805000), (100, 4708900), (112, 4204375), (124, 3797500), (125, 3767120), (140, 3363500), (155, 3038000), (175, 2690800), (196, 2402500), (200, 2354450), (217, 2170000), (245, 1922000), (248, 1898750), (250, 1883560), (280, 1681750), (310, 1519000), (350, 1345400), (392, 1201250), (400, 1177225), (434, 1085000), (490, 961000), (496, 949375), (500, 941780), (560, 840875), (620, 759500), (625, 753424), (700, 672700), (775, 607600), (784, 600625), (868, 542500), (875, 538160), (961, 490000), (980, 480500), (1000, 470890), (1085, 434000), (1225, 384400), (1240, 379750), (1250, 376712), (1400, 336350), (1519, 310000), (1550, 303800), (1736, 271250), (1750, 269080), (1922, 245000), (1960, 240250), (2000, 235445), (2170, 217000), (2450, 192200), (2480, 189875), (2500, 188356), (2800, 168175), (3038, 155000), (3100, 151900), (3472, 135625), (3500, 134540), (3844, 122500), (3875, 121520), (3920, 120125), (4340, 108500), (4375, 107632), (4805, 98000), (4900, 96100), (5000, 94178), (5425, 86800), (6076, 77500), (6125, 76880), (6200, 75950), (6727, 70000), (7000, 67270), (7595, 62000), (7688, 61250), (7750, 60760), (8680, 54250), (8750, 53816), (9610, 49000), (9800, 48050), (10000, 47089), (10850, 43400), (12152, 38750), (12250, 38440), (12400, 37975), (13454, 35000), (14000, 33635), (15190, 31000), (15376, 30625), (15500, 30380), (17360, 27125), (17500, 26908), (19220, 24500), (19375, 24304), (19600, 24025)]