28661850

素因数分解:

$2^1\times 3^5\times 5^2\times 7^1\times {\mathrm{337}}^1$

素因数の和:371

約数の個数: 144

約数和(自身を含む): 91535808

約数和(自身を除く): 62873958

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 81, 90, 105, 126, 135, 150, 162, 175, 189, 210, 225, 243, 270, 315, 337, 350, 378, 405, 450, 486, 525, 567, 630, 674, 675, 810, 945, 1011, 1050, 1134, 1215, 1350, 1575, 1685, 1701, 1890, 2022, 2025, 2359, 2430, 2835, 3033, 3150, 3370, 3402, 4050, 4718, 4725, 5055, 5670, 6066, 6075, 7077, 8425, 8505, 9099, 9450, 10110, 11795, 12150, 14154, 14175, 15165, 16850, 17010, 18198, 21231, 23590, 25275, 27297, 28350, 30330, 35385, 42462, 42525, 45495, 50550, 54594, 58975, 63693, 70770, 75825, 81891, 85050, 90990, 106155, 117950, 127386, 136485, 151650, 163782, 176925, 191079, 212310, 227475, 272970, 318465, 353850, 382158, 409455, 454950, 530775, 573237, 636930, 682425, 818910, 955395, 1061550, 1146474, 1364850, 1592325, 1910790, 2047275, 2866185, 3184650, 4094550, 4776975, 5732370, 9553950, 14330925, 28661850]

約数ペア:

[(1, 28661850), (2, 14330925), (3, 9553950), (5, 5732370), (6, 4776975), (7, 4094550), (9, 3184650), (10, 2866185), (14, 2047275), (15, 1910790), (18, 1592325), (21, 1364850), (25, 1146474), (27, 1061550), (30, 955395), (35, 818910), (42, 682425), (45, 636930), (50, 573237), (54, 530775), (63, 454950), (70, 409455), (75, 382158), (81, 353850), (90, 318465), (105, 272970), (126, 227475), (135, 212310), (150, 191079), (162, 176925), (175, 163782), (189, 151650), (210, 136485), (225, 127386), (243, 117950), (270, 106155), (315, 90990), (337, 85050), (350, 81891), (378, 75825), (405, 70770), (450, 63693), (486, 58975), (525, 54594), (567, 50550), (630, 45495), (674, 42525), (675, 42462), (810, 35385), (945, 30330), (1011, 28350), (1050, 27297), (1134, 25275), (1215, 23590), (1350, 21231), (1575, 18198), (1685, 17010), (1701, 16850), (1890, 15165), (2022, 14175), (2025, 14154), (2359, 12150), (2430, 11795), (2835, 10110), (3033, 9450), (3150, 9099), (3370, 8505), (3402, 8425), (4050, 7077), (4718, 6075), (4725, 6066), (5055, 5670)]