2499690160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149503}}^1$

素因数の和:149546

約数の個数: 80

約数和(自身を含む): 6673858560

約数和(自身を除く): 4174168400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 16720, 149503, 299006, 598012, 747515, 1196024, 1495030, 1644533, 2392048, 2840557, 2990060, 3289066, 5681114, 5980120, 6578132, 8222665, 11362228, 11960240, 13156264, 14202785, 16445330, 22724456, 26312528, 28405570, 31246127, 32890660, 45448912, 56811140, 62492254, 65781320, 113622280, 124984508, 131562640, 156230635, 227244560, 249969016, 312461270, 499938032, 624922540, 1249845080, 2499690160]

約数ペア:

[(1, 2499690160), (2, 1249845080), (4, 624922540), (5, 499938032), (8, 312461270), (10, 249969016), (11, 227244560), (16, 156230635), (19, 131562640), (20, 124984508), (22, 113622280), (38, 65781320), (40, 62492254), (44, 56811140), (55, 45448912), (76, 32890660), (80, 31246127), (88, 28405570), (95, 26312528), (110, 22724456), (152, 16445330), (176, 14202785), (190, 13156264), (209, 11960240), (220, 11362228), (304, 8222665), (380, 6578132), (418, 5980120), (440, 5681114), (760, 3289066), (836, 2990060), (880, 2840557), (1045, 2392048), (1520, 1644533), (1672, 1495030), (2090, 1196024), (3344, 747515), (4180, 598012), (8360, 299006), (16720, 149503)]