2057656440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{4909}}^1$

素因数の和:5429

約数の個数: 128

約数和(自身を含む): 7070400000

約数和(自身を除く): 5012743560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 499, 840, 998, 1497, 1996, 2495, 2994, 3493, 3992, 4909, 4990, 5988, 6986, 7485, 9818, 9980, 10479, 11976, 13972, 14727, 14970, 17465, 19636, 19960, 20958, 24545, 27944, 29454, 29940, 34363, 34930, 39272, 41916, 49090, 52395, 58908, 59880, 68726, 69860, 73635, 83832, 98180, 103089, 104790, 117816, 137452, 139720, 147270, 171815, 196360, 206178, 209580, 274904, 294540, 343630, 412356, 419160, 515445, 589080, 687260, 824712, 1030890, 1374520, 2061780, 2449591, 4123560, 4899182, 7348773, 9798364, 12247955, 14697546, 17147137, 19596728, 24495910, 29395092, 34294274, 36743865, 48991820, 51441411, 58790184, 68588548, 73487730, 85735685, 97983640, 102882822, 137177096, 146975460, 171471370, 205765644, 257207055, 293950920, 342942740, 411531288, 514414110, 685885480, 1028828220, 2057656440]

約数ペア:

[(1, 2057656440), (2, 1028828220), (3, 685885480), (4, 514414110), (5, 411531288), (6, 342942740), (7, 293950920), (8, 257207055), (10, 205765644), (12, 171471370), (14, 146975460), (15, 137177096), (20, 102882822), (21, 97983640), (24, 85735685), (28, 73487730), (30, 68588548), (35, 58790184), (40, 51441411), (42, 48991820), (56, 36743865), (60, 34294274), (70, 29395092), (84, 24495910), (105, 19596728), (120, 17147137), (140, 14697546), (168, 12247955), (210, 9798364), (280, 7348773), (420, 4899182), (499, 4123560), (840, 2449591), (998, 2061780), (1497, 1374520), (1996, 1030890), (2495, 824712), (2994, 687260), (3493, 589080), (3992, 515445), (4909, 419160), (4990, 412356), (5988, 343630), (6986, 294540), (7485, 274904), (9818, 209580), (9980, 206178), (10479, 196360), (11976, 171815), (13972, 147270), (14727, 139720), (14970, 137452), (17465, 117816), (19636, 104790), (19960, 103089), (20958, 98180), (24545, 83832), (27944, 73635), (29454, 69860), (29940, 68726), (34363, 59880), (34930, 58908), (39272, 52395), (41916, 49090)]