2100097720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{1559}}^1$

素因数の和:1877

約数の個数: 128

約数和(自身を含む): 5741798400

約数和(自身を除く): 3641700680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 283, 340, 476, 566, 595, 680, 952, 1132, 1190, 1415, 1559, 1981, 2264, 2380, 2830, 3118, 3962, 4760, 4811, 5660, 6236, 7795, 7924, 9622, 9905, 10913, 11320, 12472, 15590, 15848, 19244, 19810, 21826, 24055, 26503, 31180, 33677, 38488, 39620, 43652, 48110, 53006, 54565, 62360, 67354, 79240, 87304, 96220, 106012, 109130, 132515, 134708, 168385, 185521, 192440, 212024, 218260, 265030, 269416, 336770, 371042, 436520, 441197, 530060, 673540, 742084, 882394, 927605, 1060120, 1347080, 1484168, 1764788, 1855210, 2205985, 3088379, 3529576, 3710420, 4411970, 6176758, 7420840, 7500349, 8823940, 12353516, 15000698, 15441895, 17647880, 24707032, 30001396, 30883790, 37501745, 52502443, 60002792, 61767580, 75003490, 105004886, 123535160, 150006980, 210009772, 262512215, 300013960, 420019544, 525024430, 1050048860, 2100097720]

約数ペア:

[(1, 2100097720), (2, 1050048860), (4, 525024430), (5, 420019544), (7, 300013960), (8, 262512215), (10, 210009772), (14, 150006980), (17, 123535160), (20, 105004886), (28, 75003490), (34, 61767580), (35, 60002792), (40, 52502443), (56, 37501745), (68, 30883790), (70, 30001396), (85, 24707032), (119, 17647880), (136, 15441895), (140, 15000698), (170, 12353516), (238, 8823940), (280, 7500349), (283, 7420840), (340, 6176758), (476, 4411970), (566, 3710420), (595, 3529576), (680, 3088379), (952, 2205985), (1132, 1855210), (1190, 1764788), (1415, 1484168), (1559, 1347080), (1981, 1060120), (2264, 927605), (2380, 882394), (2830, 742084), (3118, 673540), (3962, 530060), (4760, 441197), (4811, 436520), (5660, 371042), (6236, 336770), (7795, 269416), (7924, 265030), (9622, 218260), (9905, 212024), (10913, 192440), (11320, 185521), (12472, 168385), (15590, 134708), (15848, 132515), (19244, 109130), (19810, 106012), (21826, 96220), (24055, 87304), (26503, 79240), (31180, 67354), (33677, 62360), (38488, 54565), (39620, 53006), (43652, 48110)]