553128940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{303917}}^1$

素因数の和:303946

約数の個数: 48

約数和(自身を含む): 1429630272

約数和(自身を除く): 876501332

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 303917, 607834, 1215668, 1519585, 2127419, 3039170, 3950921, 4254838, 6078340, 7901842, 8509676, 10637095, 15803684, 19754605, 21274190, 27656447, 39509210, 42548380, 55312894, 79018420, 110625788, 138282235, 276564470, 553128940]

約数ペア:

[(1, 553128940), (2, 276564470), (4, 138282235), (5, 110625788), (7, 79018420), (10, 55312894), (13, 42548380), (14, 39509210), (20, 27656447), (26, 21274190), (28, 19754605), (35, 15803684), (52, 10637095), (65, 8509676), (70, 7901842), (91, 6078340), (130, 4254838), (140, 3950921), (182, 3039170), (260, 2127419), (364, 1519585), (455, 1215668), (910, 607834), (1820, 303917)]