28142100

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{1489}}^1$

素因数の和:1519

約数の個数: 144

約数和(自身を含む): 103465600

約数和(自身を除く): 75323500

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, 1489, 1575, 1890, 2100, 2700, 2978, 3150, 3780, 4467, 4725, 5956, 6300, 7445, 8934, 9450, 10423, 13401, 14890, 17868, 18900, 20846, 22335, 26802, 29780, 31269, 37225, 40203, 41692, 44670, 52115, 53604, 62538, 67005, 74450, 80406, 89340, 93807, 104230, 111675, 125076, 134010, 148900, 156345, 160812, 187614, 201015, 208460, 223350, 260575, 268020, 281421, 312690, 335025, 375228, 402030, 446700, 469035, 521150, 562842, 625380, 670050, 781725, 804060, 938070, 1005075, 1042300, 1125684, 1340100, 1407105, 1563450, 1876140, 2010150, 2345175, 2814210, 3126900, 4020300, 4690350, 5628420, 7035525, 9380700, 14071050, 28142100]

約数ペア:

[(1, 28142100), (2, 14071050), (3, 9380700), (4, 7035525), (5, 5628420), (6, 4690350), (7, 4020300), (9, 3126900), (10, 2814210), (12, 2345175), (14, 2010150), (15, 1876140), (18, 1563450), (20, 1407105), (21, 1340100), (25, 1125684), (27, 1042300), (28, 1005075), (30, 938070), (35, 804060), (36, 781725), (42, 670050), (45, 625380), (50, 562842), (54, 521150), (60, 469035), (63, 446700), (70, 402030), (75, 375228), (84, 335025), (90, 312690), (100, 281421), (105, 268020), (108, 260575), (126, 223350), (135, 208460), (140, 201015), (150, 187614), (175, 160812), (180, 156345), (189, 148900), (210, 134010), (225, 125076), (252, 111675), (270, 104230), (300, 93807), (315, 89340), (350, 80406), (378, 74450), (420, 67005), (450, 62538), (525, 53604), (540, 52115), (630, 44670), (675, 41692), (700, 40203), (756, 37225), (900, 31269), (945, 29780), (1050, 26802), (1260, 22335), (1350, 20846), (1489, 18900), (1575, 17868), (1890, 14890), (2100, 13401), (2700, 10423), (2978, 9450), (3150, 8934), (3780, 7445), (4467, 6300), (4725, 5956)]