290700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:56

約数の個数: 108

約数和(自身を含む): 1015560

約数和(自身を除く): 724860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 25, 30, 34, 36, 38, 45, 50, 51, 57, 60, 68, 75, 76, 85, 90, 95, 100, 102, 114, 150, 153, 170, 171, 180, 190, 204, 225, 228, 255, 285, 300, 306, 323, 340, 342, 380, 425, 450, 475, 510, 570, 612, 646, 684, 765, 850, 855, 900, 950, 969, 1020, 1140, 1275, 1292, 1425, 1530, 1615, 1700, 1710, 1900, 1938, 2550, 2850, 2907, 3060, 3230, 3420, 3825, 3876, 4275, 4845, 5100, 5700, 5814, 6460, 7650, 8075, 8550, 9690, 11628, 14535, 15300, 16150, 17100, 19380, 24225, 29070, 32300, 48450, 58140, 72675, 96900, 145350, 290700]

約数ペア:

[(1, 290700), (2, 145350), (3, 96900), (4, 72675), (5, 58140), (6, 48450), (9, 32300), (10, 29070), (12, 24225), (15, 19380), (17, 17100), (18, 16150), (19, 15300), (20, 14535), (25, 11628), (30, 9690), (34, 8550), (36, 8075), (38, 7650), (45, 6460), (50, 5814), (51, 5700), (57, 5100), (60, 4845), (68, 4275), (75, 3876), (76, 3825), (85, 3420), (90, 3230), (95, 3060), (100, 2907), (102, 2850), (114, 2550), (150, 1938), (153, 1900), (170, 1710), (171, 1700), (180, 1615), (190, 1530), (204, 1425), (225, 1292), (228, 1275), (255, 1140), (285, 1020), (300, 969), (306, 950), (323, 900), (340, 855), (342, 850), (380, 765), (425, 684), (450, 646), (475, 612), (510, 570)]