7898989840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{486391}}^1$

素因数の和:486440

約数の個数: 80

約数和(自身を含む): 21712538880

約数和(自身を除く): 13813549040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 8120, 16240, 486391, 972782, 1945564, 2431955, 3404737, 3891128, 4863910, 6809474, 7782256, 9727820, 13618948, 14105339, 17023685, 19455640, 27237896, 28210678, 34047370, 38911280, 54475792, 56421356, 68094740, 70526695, 98737373, 112842712, 136189480, 141053390, 197474746, 225685424, 272378960, 282106780, 394949492, 493686865, 564213560, 789898984, 987373730, 1128427120, 1579797968, 1974747460, 3949494920, 7898989840]

約数ペア:

[(1, 7898989840), (2, 3949494920), (4, 1974747460), (5, 1579797968), (7, 1128427120), (8, 987373730), (10, 789898984), (14, 564213560), (16, 493686865), (20, 394949492), (28, 282106780), (29, 272378960), (35, 225685424), (40, 197474746), (56, 141053390), (58, 136189480), (70, 112842712), (80, 98737373), (112, 70526695), (116, 68094740), (140, 56421356), (145, 54475792), (203, 38911280), (232, 34047370), (280, 28210678), (290, 27237896), (406, 19455640), (464, 17023685), (560, 14105339), (580, 13618948), (812, 9727820), (1015, 7782256), (1160, 6809474), (1624, 4863910), (2030, 3891128), (2320, 3404737), (3248, 2431955), (4060, 1945564), (8120, 972782), (16240, 486391)]