287841260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{108211}}^1$

素因数の和:108246

約数の個数: 48

約数和(自身を含む): 727184640

約数和(自身を除く): 439343380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 108211, 216422, 432844, 541055, 757477, 1082110, 1514954, 2056009, 2164220, 3029908, 3787385, 4112018, 7574770, 8224036, 10280045, 14392063, 15149540, 20560090, 28784126, 41120180, 57568252, 71960315, 143920630, 287841260]

約数ペア:

[(1, 287841260), (2, 143920630), (4, 71960315), (5, 57568252), (7, 41120180), (10, 28784126), (14, 20560090), (19, 15149540), (20, 14392063), (28, 10280045), (35, 8224036), (38, 7574770), (70, 4112018), (76, 3787385), (95, 3029908), (133, 2164220), (140, 2056009), (190, 1514954), (266, 1082110), (380, 757477), (532, 541055), (665, 432844), (1330, 216422), (2660, 108211)]