248940800

素因数分解:

$2^8\times 5^2\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:524

約数の個数: 108

約数和(自身を含む): 624072036

約数和(自身を除く): 375131236

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 97, 100, 128, 160, 194, 200, 256, 320, 388, 400, 401, 485, 640, 776, 800, 802, 970, 1280, 1552, 1600, 1604, 1940, 2005, 2425, 3104, 3200, 3208, 3880, 4010, 4850, 6208, 6400, 6416, 7760, 8020, 9700, 10025, 12416, 12832, 15520, 16040, 19400, 20050, 24832, 25664, 31040, 32080, 38800, 38897, 40100, 51328, 62080, 64160, 77600, 77794, 80200, 102656, 124160, 128320, 155200, 155588, 160400, 194485, 256640, 310400, 311176, 320800, 388970, 513280, 620800, 622352, 641600, 777940, 972425, 1244704, 1283200, 1555880, 1944850, 2489408, 2566400, 3111760, 3889700, 4978816, 6223520, 7779400, 9957632, 12447040, 15558800, 24894080, 31117600, 49788160, 62235200, 124470400, 248940800]

約数ペア:

[(1, 248940800), (2, 124470400), (4, 62235200), (5, 49788160), (8, 31117600), (10, 24894080), (16, 15558800), (20, 12447040), (25, 9957632), (32, 7779400), (40, 6223520), (50, 4978816), (64, 3889700), (80, 3111760), (97, 2566400), (100, 2489408), (128, 1944850), (160, 1555880), (194, 1283200), (200, 1244704), (256, 972425), (320, 777940), (388, 641600), (400, 622352), (401, 620800), (485, 513280), (640, 388970), (776, 320800), (800, 311176), (802, 310400), (970, 256640), (1280, 194485), (1552, 160400), (1600, 155588), (1604, 155200), (1940, 128320), (2005, 124160), (2425, 102656), (3104, 80200), (3200, 77794), (3208, 77600), (3880, 64160), (4010, 62080), (4850, 51328), (6208, 40100), (6400, 38897), (6416, 38800), (7760, 32080), (8020, 31040), (9700, 25664), (10025, 24832), (12416, 20050), (12832, 19400), (15520, 16040)]