28861000

素因数分解:

$2^3\times 5^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 192

約数和(自身を含む): 85363200

約数和(自身を除く): 56502200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 31, 35, 38, 40, 49, 50, 56, 62, 70, 76, 95, 98, 100, 124, 125, 133, 140, 152, 155, 175, 190, 196, 200, 217, 245, 248, 250, 266, 280, 310, 350, 380, 392, 434, 475, 490, 500, 532, 589, 620, 665, 700, 760, 775, 868, 875, 931, 950, 980, 1000, 1064, 1085, 1178, 1225, 1240, 1330, 1400, 1519, 1550, 1736, 1750, 1862, 1900, 1960, 2170, 2356, 2375, 2450, 2660, 2945, 3038, 3100, 3325, 3500, 3724, 3800, 3875, 4123, 4340, 4655, 4712, 4750, 4900, 5320, 5425, 5890, 6076, 6125, 6200, 6650, 7000, 7448, 7595, 7750, 8246, 8680, 9310, 9500, 9800, 10850, 11780, 12152, 12250, 13300, 14725, 15190, 15500, 16492, 16625, 18620, 19000, 20615, 21700, 23275, 23560, 24500, 26600, 27125, 28861, 29450, 30380, 31000, 32984, 33250, 37240, 37975, 41230, 43400, 46550, 49000, 54250, 57722, 58900, 60760, 66500, 73625, 75950, 82460, 93100, 103075, 108500, 115444, 116375, 117800, 133000, 144305, 147250, 151900, 164920, 186200, 189875, 206150, 217000, 230888, 232750, 288610, 294500, 303800, 379750, 412300, 465500, 515375, 577220, 589000, 721525, 759500, 824600, 931000, 1030750, 1154440, 1443050, 1519000, 2061500, 2886100, 3607625, 4123000, 5772200, 7215250, 14430500, 28861000]

約数ペア:

[(1, 28861000), (2, 14430500), (4, 7215250), (5, 5772200), (7, 4123000), (8, 3607625), (10, 2886100), (14, 2061500), (19, 1519000), (20, 1443050), (25, 1154440), (28, 1030750), (31, 931000), (35, 824600), (38, 759500), (40, 721525), (49, 589000), (50, 577220), (56, 515375), (62, 465500), (70, 412300), (76, 379750), (95, 303800), (98, 294500), (100, 288610), (124, 232750), (125, 230888), (133, 217000), (140, 206150), (152, 189875), (155, 186200), (175, 164920), (190, 151900), (196, 147250), (200, 144305), (217, 133000), (245, 117800), (248, 116375), (250, 115444), (266, 108500), (280, 103075), (310, 93100), (350, 82460), (380, 75950), (392, 73625), (434, 66500), (475, 60760), (490, 58900), (500, 57722), (532, 54250), (589, 49000), (620, 46550), (665, 43400), (700, 41230), (760, 37975), (775, 37240), (868, 33250), (875, 32984), (931, 31000), (950, 30380), (980, 29450), (1000, 28861), (1064, 27125), (1085, 26600), (1178, 24500), (1225, 23560), (1240, 23275), (1330, 21700), (1400, 20615), (1519, 19000), (1550, 18620), (1736, 16625), (1750, 16492), (1862, 15500), (1900, 15190), (1960, 14725), (2170, 13300), (2356, 12250), (2375, 12152), (2450, 11780), (2660, 10850), (2945, 9800), (3038, 9500), (3100, 9310), (3325, 8680), (3500, 8246), (3724, 7750), (3800, 7595), (3875, 7448), (4123, 7000), (4340, 6650), (4655, 6200), (4712, 6125), (4750, 6076), (4900, 5890), (5320, 5425)]