208025120

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{419}}^1$

素因数の和:570

約数の個数: 96

約数和(自身を含む): 514382400

約数和(自身を除く): 306357280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 107, 116, 145, 160, 214, 232, 290, 419, 428, 464, 535, 580, 838, 856, 928, 1070, 1160, 1676, 1712, 2095, 2140, 2320, 3103, 3352, 3424, 4190, 4280, 4640, 6206, 6704, 8380, 8560, 12151, 12412, 13408, 15515, 16760, 17120, 24302, 24824, 31030, 33520, 44833, 48604, 49648, 60755, 62060, 67040, 89666, 97208, 99296, 121510, 124120, 179332, 194416, 224165, 243020, 248240, 358664, 388832, 448330, 486040, 496480, 717328, 896660, 972080, 1300157, 1434656, 1793320, 1944160, 2600314, 3586640, 5200628, 6500785, 7173280, 10401256, 13001570, 20802512, 26003140, 41605024, 52006280, 104012560, 208025120]

約数ペア:

[(1, 208025120), (2, 104012560), (4, 52006280), (5, 41605024), (8, 26003140), (10, 20802512), (16, 13001570), (20, 10401256), (29, 7173280), (32, 6500785), (40, 5200628), (58, 3586640), (80, 2600314), (107, 1944160), (116, 1793320), (145, 1434656), (160, 1300157), (214, 972080), (232, 896660), (290, 717328), (419, 496480), (428, 486040), (464, 448330), (535, 388832), (580, 358664), (838, 248240), (856, 243020), (928, 224165), (1070, 194416), (1160, 179332), (1676, 124120), (1712, 121510), (2095, 99296), (2140, 97208), (2320, 89666), (3103, 67040), (3352, 62060), (3424, 60755), (4190, 49648), (4280, 48604), (4640, 44833), (6206, 33520), (6704, 31030), (8380, 24824), (8560, 24302), (12151, 17120), (12412, 16760), (13408, 15515)]