18052500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 55107360

約数和(自身を除く): 37054860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 50, 58, 60, 75, 83, 87, 100, 116, 125, 145, 150, 166, 174, 249, 250, 290, 300, 332, 348, 375, 415, 435, 498, 500, 580, 625, 725, 750, 830, 870, 996, 1245, 1250, 1450, 1500, 1660, 1740, 1875, 2075, 2175, 2407, 2490, 2500, 2900, 3625, 3750, 4150, 4350, 4814, 4980, 6225, 7221, 7250, 7500, 8300, 8700, 9628, 10375, 10875, 12035, 12450, 14442, 14500, 18125, 20750, 21750, 24070, 24900, 28884, 31125, 36105, 36250, 41500, 43500, 48140, 51875, 54375, 60175, 62250, 72210, 72500, 103750, 108750, 120350, 124500, 144420, 155625, 180525, 207500, 217500, 240700, 300875, 311250, 361050, 601750, 622500, 722100, 902625, 1203500, 1504375, 1805250, 3008750, 3610500, 4513125, 6017500, 9026250, 18052500]

約数ペア:

[(1, 18052500), (2, 9026250), (3, 6017500), (4, 4513125), (5, 3610500), (6, 3008750), (10, 1805250), (12, 1504375), (15, 1203500), (20, 902625), (25, 722100), (29, 622500), (30, 601750), (50, 361050), (58, 311250), (60, 300875), (75, 240700), (83, 217500), (87, 207500), (100, 180525), (116, 155625), (125, 144420), (145, 124500), (150, 120350), (166, 108750), (174, 103750), (249, 72500), (250, 72210), (290, 62250), (300, 60175), (332, 54375), (348, 51875), (375, 48140), (415, 43500), (435, 41500), (498, 36250), (500, 36105), (580, 31125), (625, 28884), (725, 24900), (750, 24070), (830, 21750), (870, 20750), (996, 18125), (1245, 14500), (1250, 14442), (1450, 12450), (1500, 12035), (1660, 10875), (1740, 10375), (1875, 9628), (2075, 8700), (2175, 8300), (2407, 7500), (2490, 7250), (2500, 7221), (2900, 6225), (3625, 4980), (3750, 4814), (4150, 4350)]