1640595550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{21773}}^1$

素因数の和:21933

約数の個数: 48

約数和(自身を含む): 3353370192

約数和(自身を除く): 1712774642

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 137, 274, 275, 550, 685, 1370, 1507, 3014, 3425, 6850, 7535, 15070, 21773, 37675, 43546, 75350, 108865, 217730, 239503, 479006, 544325, 1088650, 1197515, 2395030, 2982901, 5965802, 5987575, 11975150, 14914505, 29829010, 32811911, 65623822, 74572525, 149145050, 164059555, 328119110, 820297775, 1640595550]

約数ペア:

[(1, 1640595550), (2, 820297775), (5, 328119110), (10, 164059555), (11, 149145050), (22, 74572525), (25, 65623822), (50, 32811911), (55, 29829010), (110, 14914505), (137, 11975150), (274, 5987575), (275, 5965802), (550, 2982901), (685, 2395030), (1370, 1197515), (1507, 1088650), (3014, 544325), (3425, 479006), (6850, 239503), (7535, 217730), (15070, 108865), (21773, 75350), (37675, 43546)]