28219800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{6719}}^1$

素因数の和:6745

約数の個数: 96

約数和(自身を含む): 99993600

約数和(自身を除く): 71773800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 6719, 13438, 20157, 26876, 33595, 40314, 47033, 53752, 67190, 80628, 94066, 100785, 134380, 141099, 161256, 167975, 188132, 201570, 235165, 268760, 282198, 335950, 376264, 403140, 470330, 503925, 564396, 671900, 705495, 806280, 940660, 1007850, 1128792, 1175825, 1343800, 1410990, 1881320, 2015700, 2351650, 2821980, 3527475, 4031400, 4703300, 5643960, 7054950, 9406600, 14109900, 28219800]

約数ペア:

[(1, 28219800), (2, 14109900), (3, 9406600), (4, 7054950), (5, 5643960), (6, 4703300), (7, 4031400), (8, 3527475), (10, 2821980), (12, 2351650), (14, 2015700), (15, 1881320), (20, 1410990), (21, 1343800), (24, 1175825), (25, 1128792), (28, 1007850), (30, 940660), (35, 806280), (40, 705495), (42, 671900), (50, 564396), (56, 503925), (60, 470330), (70, 403140), (75, 376264), (84, 335950), (100, 282198), (105, 268760), (120, 235165), (140, 201570), (150, 188132), (168, 167975), (175, 161256), (200, 141099), (210, 134380), (280, 100785), (300, 94066), (350, 80628), (420, 67190), (525, 53752), (600, 47033), (700, 40314), (840, 33595), (1050, 26876), (1400, 20157), (2100, 13438), (4200, 6719)]