205260400

素因数分解:

$2^4\times 5^2\times {\mathrm{619}}^1\times {\mathrm{829}}^1$

素因数の和:1466

約数の個数: 60

約数和(自身を含む): 494530600

約数和(自身を除く): 289270200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 619, 829, 1238, 1658, 2476, 3095, 3316, 4145, 4952, 6190, 6632, 8290, 9904, 12380, 13264, 15475, 16580, 20725, 24760, 30950, 33160, 41450, 49520, 61900, 66320, 82900, 123800, 165800, 247600, 331600, 513151, 1026302, 2052604, 2565755, 4105208, 5131510, 8210416, 10263020, 12828775, 20526040, 25657550, 41052080, 51315100, 102630200, 205260400]

約数ペア:

[(1, 205260400), (2, 102630200), (4, 51315100), (5, 41052080), (8, 25657550), (10, 20526040), (16, 12828775), (20, 10263020), (25, 8210416), (40, 5131510), (50, 4105208), (80, 2565755), (100, 2052604), (200, 1026302), (400, 513151), (619, 331600), (829, 247600), (1238, 165800), (1658, 123800), (2476, 82900), (3095, 66320), (3316, 61900), (4145, 49520), (4952, 41450), (6190, 33160), (6632, 30950), (8290, 24760), (9904, 20725), (12380, 16580), (13264, 15475)]