28881300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{809}}^1$

素因数の和:850

約数の個数: 144

約数和(自身を含む): 101243520

約数和(自身を除く): 72362220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 25, 28, 30, 34, 35, 42, 50, 51, 60, 68, 70, 75, 84, 85, 100, 102, 105, 119, 140, 150, 170, 175, 204, 210, 238, 255, 300, 340, 350, 357, 420, 425, 476, 510, 525, 595, 700, 714, 809, 850, 1020, 1050, 1190, 1275, 1428, 1618, 1700, 1785, 2100, 2380, 2427, 2550, 2975, 3236, 3570, 4045, 4854, 5100, 5663, 5950, 7140, 8090, 8925, 9708, 11326, 11900, 12135, 13753, 16180, 16989, 17850, 20225, 22652, 24270, 27506, 28315, 33978, 35700, 40450, 41259, 48540, 55012, 56630, 60675, 67956, 68765, 80900, 82518, 84945, 96271, 113260, 121350, 137530, 141575, 165036, 169890, 192542, 206295, 242700, 275060, 283150, 288813, 339780, 343825, 385084, 412590, 424725, 481355, 566300, 577626, 687650, 825180, 849450, 962710, 1031475, 1155252, 1375300, 1444065, 1698900, 1925420, 2062950, 2406775, 2888130, 4125900, 4813550, 5776260, 7220325, 9627100, 14440650, 28881300]

約数ペア:

[(1, 28881300), (2, 14440650), (3, 9627100), (4, 7220325), (5, 5776260), (6, 4813550), (7, 4125900), (10, 2888130), (12, 2406775), (14, 2062950), (15, 1925420), (17, 1698900), (20, 1444065), (21, 1375300), (25, 1155252), (28, 1031475), (30, 962710), (34, 849450), (35, 825180), (42, 687650), (50, 577626), (51, 566300), (60, 481355), (68, 424725), (70, 412590), (75, 385084), (84, 343825), (85, 339780), (100, 288813), (102, 283150), (105, 275060), (119, 242700), (140, 206295), (150, 192542), (170, 169890), (175, 165036), (204, 141575), (210, 137530), (238, 121350), (255, 113260), (300, 96271), (340, 84945), (350, 82518), (357, 80900), (420, 68765), (425, 67956), (476, 60675), (510, 56630), (525, 55012), (595, 48540), (700, 41259), (714, 40450), (809, 35700), (850, 33978), (1020, 28315), (1050, 27506), (1190, 24270), (1275, 22652), (1428, 20225), (1618, 17850), (1700, 16989), (1785, 16180), (2100, 13753), (2380, 12135), (2427, 11900), (2550, 11326), (2975, 9708), (3236, 8925), (3570, 8090), (4045, 7140), (4854, 5950), (5100, 5663)]