287445340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{12149}}^1$

素因数の和:12191

約数の個数: 72

約数和(自身を含む): 747079200

約数和(自身を除く): 459633860

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2366, 3380, 4732, 5915, 11830, 12149, 23660, 24298, 48596, 60745, 85043, 121490, 157937, 170086, 242980, 315874, 340172, 425215, 631748, 789685, 850430, 1105559, 1579370, 1700860, 2053181, 2211118, 3158740, 4106362, 4422236, 5527795, 8212724, 10265905, 11055590, 14372267, 20531810, 22111180, 28744534, 41063620, 57489068, 71861335, 143722670, 287445340]

約数ペア:

[(1, 287445340), (2, 143722670), (4, 71861335), (5, 57489068), (7, 41063620), (10, 28744534), (13, 22111180), (14, 20531810), (20, 14372267), (26, 11055590), (28, 10265905), (35, 8212724), (52, 5527795), (65, 4422236), (70, 4106362), (91, 3158740), (130, 2211118), (140, 2053181), (169, 1700860), (182, 1579370), (260, 1105559), (338, 850430), (364, 789685), (455, 631748), (676, 425215), (845, 340172), (910, 315874), (1183, 242980), (1690, 170086), (1820, 157937), (2366, 121490), (3380, 85043), (4732, 60745), (5915, 48596), (11830, 24298), (12149, 23660)]