28913850

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 144

約数和(自身を含む): 90762048

約数和(自身を除く): 61848198

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 67, 70, 75, 90, 105, 126, 134, 137, 150, 175, 201, 210, 225, 274, 315, 335, 350, 402, 411, 450, 469, 525, 603, 630, 670, 685, 822, 938, 959, 1005, 1050, 1206, 1233, 1370, 1407, 1575, 1675, 1918, 2010, 2055, 2345, 2466, 2814, 2877, 3015, 3150, 3350, 3425, 4110, 4221, 4690, 4795, 5025, 5754, 6030, 6165, 6850, 7035, 8442, 8631, 9179, 9590, 10050, 10275, 11725, 12330, 14070, 14385, 15075, 17262, 18358, 20550, 21105, 23450, 23975, 27537, 28770, 30150, 30825, 35175, 42210, 43155, 45895, 47950, 55074, 61650, 64253, 70350, 71925, 82611, 86310, 91790, 105525, 128506, 137685, 143850, 165222, 192759, 211050, 215775, 229475, 275370, 321265, 385518, 413055, 431550, 458950, 578277, 642530, 688425, 826110, 963795, 1156554, 1376850, 1606325, 1927590, 2065275, 2891385, 3212650, 4130550, 4818975, 5782770, 9637950, 14456925, 28913850]

約数ペア:

[(1, 28913850), (2, 14456925), (3, 9637950), (5, 5782770), (6, 4818975), (7, 4130550), (9, 3212650), (10, 2891385), (14, 2065275), (15, 1927590), (18, 1606325), (21, 1376850), (25, 1156554), (30, 963795), (35, 826110), (42, 688425), (45, 642530), (50, 578277), (63, 458950), (67, 431550), (70, 413055), (75, 385518), (90, 321265), (105, 275370), (126, 229475), (134, 215775), (137, 211050), (150, 192759), (175, 165222), (201, 143850), (210, 137685), (225, 128506), (274, 105525), (315, 91790), (335, 86310), (350, 82611), (402, 71925), (411, 70350), (450, 64253), (469, 61650), (525, 55074), (603, 47950), (630, 45895), (670, 43155), (685, 42210), (822, 35175), (938, 30825), (959, 30150), (1005, 28770), (1050, 27537), (1206, 23975), (1233, 23450), (1370, 21105), (1407, 20550), (1575, 18358), (1675, 17262), (1918, 15075), (2010, 14385), (2055, 14070), (2345, 12330), (2466, 11725), (2814, 10275), (2877, 10050), (3015, 9590), (3150, 9179), (3350, 8631), (3425, 8442), (4110, 7035), (4221, 6850), (4690, 6165), (4795, 6030), (5025, 5754)]