28870800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^2\times {\mathrm{491}}^1$

素因数の和:526

約数の個数: 180

約数和(自身を含む): 107801136

約数和(自身を除く): 78930336

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 49, 50, 56, 60, 70, 75, 80, 84, 98, 100, 105, 112, 120, 140, 147, 150, 168, 175, 196, 200, 210, 240, 245, 280, 294, 300, 336, 350, 392, 400, 420, 490, 491, 525, 560, 588, 600, 700, 735, 784, 840, 980, 982, 1050, 1176, 1200, 1225, 1400, 1470, 1473, 1680, 1960, 1964, 2100, 2352, 2450, 2455, 2800, 2940, 2946, 3437, 3675, 3920, 3928, 4200, 4900, 4910, 5880, 5892, 6874, 7350, 7365, 7856, 8400, 9800, 9820, 10311, 11760, 11784, 12275, 13748, 14700, 14730, 17185, 19600, 19640, 20622, 23568, 24059, 24550, 27496, 29400, 29460, 34370, 36825, 39280, 41244, 48118, 49100, 51555, 54992, 58800, 58920, 68740, 72177, 73650, 82488, 85925, 96236, 98200, 103110, 117840, 120295, 137480, 144354, 147300, 164976, 171850, 192472, 196400, 206220, 240590, 257775, 274960, 288708, 294600, 343700, 360885, 384944, 412440, 481180, 515550, 577416, 589200, 601475, 687400, 721770, 824880, 962360, 1031100, 1154832, 1202950, 1374800, 1443540, 1804425, 1924720, 2062200, 2405900, 2887080, 3608850, 4124400, 4811800, 5774160, 7217700, 9623600, 14435400, 28870800]

約数ペア:

[(1, 28870800), (2, 14435400), (3, 9623600), (4, 7217700), (5, 5774160), (6, 4811800), (7, 4124400), (8, 3608850), (10, 2887080), (12, 2405900), (14, 2062200), (15, 1924720), (16, 1804425), (20, 1443540), (21, 1374800), (24, 1202950), (25, 1154832), (28, 1031100), (30, 962360), (35, 824880), (40, 721770), (42, 687400), (48, 601475), (49, 589200), (50, 577416), (56, 515550), (60, 481180), (70, 412440), (75, 384944), (80, 360885), (84, 343700), (98, 294600), (100, 288708), (105, 274960), (112, 257775), (120, 240590), (140, 206220), (147, 196400), (150, 192472), (168, 171850), (175, 164976), (196, 147300), (200, 144354), (210, 137480), (240, 120295), (245, 117840), (280, 103110), (294, 98200), (300, 96236), (336, 85925), (350, 82488), (392, 73650), (400, 72177), (420, 68740), (490, 58920), (491, 58800), (525, 54992), (560, 51555), (588, 49100), (600, 48118), (700, 41244), (735, 39280), (784, 36825), (840, 34370), (980, 29460), (982, 29400), (1050, 27496), (1176, 24550), (1200, 24059), (1225, 23568), (1400, 20622), (1470, 19640), (1473, 19600), (1680, 17185), (1960, 14730), (1964, 14700), (2100, 13748), (2352, 12275), (2450, 11784), (2455, 11760), (2800, 10311), (2940, 9820), (2946, 9800), (3437, 8400), (3675, 7856), (3920, 7365), (3928, 7350), (4200, 6874), (4900, 5892), (4910, 5880)]