28105550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 57598992

約数和(自身を除く): 29493442

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 137, 274, 275, 373, 550, 685, 746, 1370, 1507, 1865, 3014, 3425, 3730, 4103, 6850, 7535, 8206, 9325, 15070, 18650, 20515, 37675, 41030, 51101, 75350, 102202, 102575, 205150, 255505, 511010, 562111, 1124222, 1277525, 2555050, 2810555, 5621110, 14052775, 28105550]

約数ペア:

[(1, 28105550), (2, 14052775), (5, 5621110), (10, 2810555), (11, 2555050), (22, 1277525), (25, 1124222), (50, 562111), (55, 511010), (110, 255505), (137, 205150), (274, 102575), (275, 102202), (373, 75350), (550, 51101), (685, 41030), (746, 37675), (1370, 20515), (1507, 18650), (1865, 15070), (3014, 9325), (3425, 8206), (3730, 7535), (4103, 6850)]