253902080

素因数分解:

$2^8\times 5^1\times {\mathrm{293}}^1\times {\mathrm{677}}^1$

素因数の和:991

約数の個数: 72

約数和(自身を含む): 611151912

約数和(自身を除く): 357249832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 293, 320, 586, 640, 677, 1172, 1280, 1354, 1465, 2344, 2708, 2930, 3385, 4688, 5416, 5860, 6770, 9376, 10832, 11720, 13540, 18752, 21664, 23440, 27080, 37504, 43328, 46880, 54160, 75008, 86656, 93760, 108320, 173312, 187520, 198361, 216640, 375040, 396722, 433280, 793444, 866560, 991805, 1586888, 1983610, 3173776, 3967220, 6347552, 7934440, 12695104, 15868880, 25390208, 31737760, 50780416, 63475520, 126951040, 253902080]

約数ペア:

[(1, 253902080), (2, 126951040), (4, 63475520), (5, 50780416), (8, 31737760), (10, 25390208), (16, 15868880), (20, 12695104), (32, 7934440), (40, 6347552), (64, 3967220), (80, 3173776), (128, 1983610), (160, 1586888), (256, 991805), (293, 866560), (320, 793444), (586, 433280), (640, 396722), (677, 375040), (1172, 216640), (1280, 198361), (1354, 187520), (1465, 173312), (2344, 108320), (2708, 93760), (2930, 86656), (3385, 75008), (4688, 54160), (5416, 46880), (5860, 43328), (6770, 37504), (9376, 27080), (10832, 23440), (11720, 21664), (13540, 18752)]