28131600

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:242

約数の個数: 240

約数和(自身を含む): 109600128

約数和(自身を除く): 81468528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 25, 28, 30, 34, 35, 40, 42, 48, 50, 51, 56, 60, 68, 70, 75, 80, 84, 85, 100, 102, 105, 112, 119, 120, 136, 140, 150, 168, 170, 175, 197, 200, 204, 210, 238, 240, 255, 272, 280, 300, 336, 340, 350, 357, 394, 400, 408, 420, 425, 476, 510, 525, 560, 591, 595, 600, 680, 700, 714, 788, 816, 840, 850, 952, 985, 1020, 1050, 1182, 1190, 1200, 1275, 1360, 1379, 1400, 1428, 1576, 1680, 1700, 1785, 1904, 1970, 2040, 2100, 2364, 2380, 2550, 2758, 2800, 2856, 2955, 2975, 3152, 3349, 3400, 3570, 3940, 4080, 4137, 4200, 4728, 4760, 4925, 5100, 5516, 5712, 5910, 5950, 6698, 6800, 6895, 7140, 7880, 8274, 8400, 8925, 9456, 9520, 9850, 10047, 10200, 11032, 11820, 11900, 13396, 13790, 14280, 14775, 15760, 16548, 16745, 17850, 19700, 20094, 20400, 20685, 22064, 23443, 23640, 23800, 26792, 27580, 28560, 29550, 33096, 33490, 34475, 35700, 39400, 40188, 41370, 46886, 47280, 47600, 50235, 53584, 55160, 59100, 66192, 66980, 68950, 70329, 71400, 78800, 80376, 82740, 83725, 93772, 100470, 103425, 110320, 117215, 118200, 133960, 137900, 140658, 142800, 160752, 165480, 167450, 187544, 200940, 206850, 234430, 236400, 251175, 267920, 275800, 281316, 330960, 334900, 351645, 375088, 401880, 413700, 468860, 502350, 551600, 562632, 586075, 669800, 703290, 803760, 827400, 937720, 1004700, 1125264, 1172150, 1339600, 1406580, 1654800, 1758225, 1875440, 2009400, 2344300, 2813160, 3516450, 4018800, 4688600, 5626320, 7032900, 9377200, 14065800, 28131600]

約数ペア:

[(1, 28131600), (2, 14065800), (3, 9377200), (4, 7032900), (5, 5626320), (6, 4688600), (7, 4018800), (8, 3516450), (10, 2813160), (12, 2344300), (14, 2009400), (15, 1875440), (16, 1758225), (17, 1654800), (20, 1406580), (21, 1339600), (24, 1172150), (25, 1125264), (28, 1004700), (30, 937720), (34, 827400), (35, 803760), (40, 703290), (42, 669800), (48, 586075), (50, 562632), (51, 551600), (56, 502350), (60, 468860), (68, 413700), (70, 401880), (75, 375088), (80, 351645), (84, 334900), (85, 330960), (100, 281316), (102, 275800), (105, 267920), (112, 251175), (119, 236400), (120, 234430), (136, 206850), (140, 200940), (150, 187544), (168, 167450), (170, 165480), (175, 160752), (197, 142800), (200, 140658), (204, 137900), (210, 133960), (238, 118200), (240, 117215), (255, 110320), (272, 103425), (280, 100470), (300, 93772), (336, 83725), (340, 82740), (350, 80376), (357, 78800), (394, 71400), (400, 70329), (408, 68950), (420, 66980), (425, 66192), (476, 59100), (510, 55160), (525, 53584), (560, 50235), (591, 47600), (595, 47280), (600, 46886), (680, 41370), (700, 40188), (714, 39400), (788, 35700), (816, 34475), (840, 33490), (850, 33096), (952, 29550), (985, 28560), (1020, 27580), (1050, 26792), (1182, 23800), (1190, 23640), (1200, 23443), (1275, 22064), (1360, 20685), (1379, 20400), (1400, 20094), (1428, 19700), (1576, 17850), (1680, 16745), (1700, 16548), (1785, 15760), (1904, 14775), (1970, 14280), (2040, 13790), (2100, 13396), (2364, 11900), (2380, 11820), (2550, 11032), (2758, 10200), (2800, 10047), (2856, 9850), (2955, 9520), (2975, 9456), (3152, 8925), (3349, 8400), (3400, 8274), (3570, 7880), (3940, 7140), (4080, 6895), (4137, 6800), (4200, 6698), (4728, 5950), (4760, 5910), (4925, 5712), (5100, 5516)]