28217700

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{1493}}^1$

素因数の和:1523

約数の個数: 144

約数和(自身を含む): 103743360

約数和(自身を除く): 75525660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1260, 1350, 1493, 1575, 1890, 2100, 2700, 2986, 3150, 3780, 4479, 4725, 5972, 6300, 7465, 8958, 9450, 10451, 13437, 14930, 17916, 18900, 20902, 22395, 26874, 29860, 31353, 37325, 40311, 41804, 44790, 52255, 53748, 62706, 67185, 74650, 80622, 89580, 94059, 104510, 111975, 125412, 134370, 149300, 156765, 161244, 188118, 201555, 209020, 223950, 261275, 268740, 282177, 313530, 335925, 376236, 403110, 447900, 470295, 522550, 564354, 627060, 671850, 783825, 806220, 940590, 1007775, 1045100, 1128708, 1343700, 1410885, 1567650, 1881180, 2015550, 2351475, 2821770, 3135300, 4031100, 4702950, 5643540, 7054425, 9405900, 14108850, 28217700]

約数ペア:

[(1, 28217700), (2, 14108850), (3, 9405900), (4, 7054425), (5, 5643540), (6, 4702950), (7, 4031100), (9, 3135300), (10, 2821770), (12, 2351475), (14, 2015550), (15, 1881180), (18, 1567650), (20, 1410885), (21, 1343700), (25, 1128708), (27, 1045100), (28, 1007775), (30, 940590), (35, 806220), (36, 783825), (42, 671850), (45, 627060), (50, 564354), (54, 522550), (60, 470295), (63, 447900), (70, 403110), (75, 376236), (84, 335925), (90, 313530), (100, 282177), (105, 268740), (108, 261275), (126, 223950), (135, 209020), (140, 201555), (150, 188118), (175, 161244), (180, 156765), (189, 149300), (210, 134370), (225, 125412), (252, 111975), (270, 104510), (300, 94059), (315, 89580), (350, 80622), (378, 74650), (420, 67185), (450, 62706), (525, 53748), (540, 52255), (630, 44790), (675, 41804), (700, 40311), (756, 37325), (900, 31353), (945, 29860), (1050, 26874), (1260, 22395), (1350, 20902), (1493, 18900), (1575, 17916), (1890, 14930), (2100, 13437), (2700, 10451), (2986, 9450), (3150, 8958), (3780, 7465), (4479, 6300), (4725, 5972)]