2809800

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{223}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 10832640

約数和(自身を除く): 8022840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 223, 225, 252, 280, 300, 315, 350, 360, 420, 446, 450, 504, 525, 600, 630, 669, 700, 840, 892, 900, 1050, 1115, 1260, 1338, 1400, 1561, 1575, 1784, 1800, 2007, 2100, 2230, 2520, 2676, 3122, 3150, 3345, 4014, 4200, 4460, 4683, 5352, 5575, 6244, 6300, 6690, 7805, 8028, 8920, 9366, 10035, 11150, 12488, 12600, 13380, 14049, 15610, 16056, 16725, 18732, 20070, 22300, 23415, 26760, 28098, 31220, 33450, 37464, 39025, 40140, 44600, 46830, 50175, 56196, 62440, 66900, 70245, 78050, 80280, 93660, 100350, 112392, 117075, 133800, 140490, 156100, 187320, 200700, 234150, 280980, 312200, 351225, 401400, 468300, 561960, 702450, 936600, 1404900, 2809800]

約数ペア:

[(1, 2809800), (2, 1404900), (3, 936600), (4, 702450), (5, 561960), (6, 468300), (7, 401400), (8, 351225), (9, 312200), (10, 280980), (12, 234150), (14, 200700), (15, 187320), (18, 156100), (20, 140490), (21, 133800), (24, 117075), (25, 112392), (28, 100350), (30, 93660), (35, 80280), (36, 78050), (40, 70245), (42, 66900), (45, 62440), (50, 56196), (56, 50175), (60, 46830), (63, 44600), (70, 40140), (72, 39025), (75, 37464), (84, 33450), (90, 31220), (100, 28098), (105, 26760), (120, 23415), (126, 22300), (140, 20070), (150, 18732), (168, 16725), (175, 16056), (180, 15610), (200, 14049), (210, 13380), (223, 12600), (225, 12488), (252, 11150), (280, 10035), (300, 9366), (315, 8920), (350, 8028), (360, 7805), (420, 6690), (446, 6300), (450, 6244), (504, 5575), (525, 5352), (600, 4683), (630, 4460), (669, 4200), (700, 4014), (840, 3345), (892, 3150), (900, 3122), (1050, 2676), (1115, 2520), (1260, 2230), (1338, 2100), (1400, 2007), (1561, 1800), (1575, 1784)]