72871700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2137}}^1$

素因数の和:2193

約数の個数: 72

約数和(自身を含む): 178155264

約数和(自身を除く): 105283564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 155, 220, 275, 310, 341, 550, 620, 682, 775, 1100, 1364, 1550, 1705, 2137, 3100, 3410, 4274, 6820, 8525, 8548, 10685, 17050, 21370, 23507, 34100, 42740, 47014, 53425, 66247, 94028, 106850, 117535, 132494, 213700, 235070, 264988, 331235, 470140, 587675, 662470, 728717, 1175350, 1324940, 1457434, 1656175, 2350700, 2914868, 3312350, 3643585, 6624700, 7287170, 14574340, 18217925, 36435850, 72871700]

約数ペア:

[(1, 72871700), (2, 36435850), (4, 18217925), (5, 14574340), (10, 7287170), (11, 6624700), (20, 3643585), (22, 3312350), (25, 2914868), (31, 2350700), (44, 1656175), (50, 1457434), (55, 1324940), (62, 1175350), (100, 728717), (110, 662470), (124, 587675), (155, 470140), (220, 331235), (275, 264988), (310, 235070), (341, 213700), (550, 132494), (620, 117535), (682, 106850), (775, 94028), (1100, 66247), (1364, 53425), (1550, 47014), (1705, 42740), (2137, 34100), (3100, 23507), (3410, 21370), (4274, 17050), (6820, 10685), (8525, 8548)]