239970418

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 400918680

約数和(自身を除く): 160948262

約数列:

[1, 2, 19, 29, 38, 58, 73, 146, 157, 314, 361, 551, 722, 1102, 1387, 2117, 2774, 2983, 4234, 4553, 5966, 9106, 10469, 11461, 20938, 22922, 26353, 40223, 52706, 56677, 80446, 86507, 113354, 173014, 217759, 332369, 435518, 664738, 764237, 1528474, 1643633, 3287266, 4137421, 6315011, 8274842, 12630022, 119985209, 239970418]

約数ペア:

[(1, 239970418), (2, 119985209), (19, 12630022), (29, 8274842), (38, 6315011), (58, 4137421), (73, 3287266), (146, 1643633), (157, 1528474), (314, 764237), (361, 664738), (551, 435518), (722, 332369), (1102, 217759), (1387, 173014), (2117, 113354), (2774, 86507), (2983, 80446), (4234, 56677), (4553, 52706), (5966, 40223), (9106, 26353), (10469, 22922), (11461, 20938)]