248454920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{937}}^1\times {\mathrm{947}}^1$

素因数の和:1902

約数の個数: 64

約数和(自身を含む): 640241280

約数和(自身を除く): 391786360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 937, 947, 1874, 1894, 3748, 3788, 4685, 4735, 6559, 6629, 7496, 7576, 9370, 9470, 13118, 13258, 18740, 18940, 26236, 26516, 32795, 33145, 37480, 37880, 52472, 53032, 65590, 66290, 131180, 132580, 262360, 265160, 887339, 1774678, 3549356, 4436695, 6211373, 7098712, 8873390, 12422746, 17746780, 24845492, 31056865, 35493560, 49690984, 62113730, 124227460, 248454920]

約数ペア:

[(1, 248454920), (2, 124227460), (4, 62113730), (5, 49690984), (7, 35493560), (8, 31056865), (10, 24845492), (14, 17746780), (20, 12422746), (28, 8873390), (35, 7098712), (40, 6211373), (56, 4436695), (70, 3549356), (140, 1774678), (280, 887339), (937, 265160), (947, 262360), (1874, 132580), (1894, 131180), (3748, 66290), (3788, 65590), (4685, 53032), (4735, 52472), (6559, 37880), (6629, 37480), (7496, 33145), (7576, 32795), (9370, 26516), (9470, 26236), (13118, 18940), (13258, 18740)]