28895200

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1901}}^1$

素因数の和:1940

約数の個数: 72

約数和(自身を含む): 74292120

約数和(自身を除く): 45396920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 950, 1520, 1900, 1901, 3040, 3800, 3802, 7600, 7604, 9505, 15200, 15208, 19010, 30416, 36119, 38020, 47525, 60832, 72238, 76040, 95050, 144476, 152080, 180595, 190100, 288952, 304160, 361190, 380200, 577904, 722380, 760400, 902975, 1155808, 1444760, 1520800, 1805950, 2889520, 3611900, 5779040, 7223800, 14447600, 28895200]

約数ペア:

[(1, 28895200), (2, 14447600), (4, 7223800), (5, 5779040), (8, 3611900), (10, 2889520), (16, 1805950), (19, 1520800), (20, 1444760), (25, 1155808), (32, 902975), (38, 760400), (40, 722380), (50, 577904), (76, 380200), (80, 361190), (95, 304160), (100, 288952), (152, 190100), (160, 180595), (190, 152080), (200, 144476), (304, 95050), (380, 76040), (400, 72238), (475, 60832), (608, 47525), (760, 38020), (800, 36119), (950, 30416), (1520, 19010), (1900, 15208), (1901, 15200), (3040, 9505), (3800, 7604), (3802, 7600)]